Oxford Dictionary of American English Workbook: Oxford University Press, Oxford University Press: 9780194399524: Amazon.com: Books
Oxford American Dictionary for learners of English: Varios Autores: 9780194399722: Amazon.com: Books
New Oxford American Dictionary 3rd Edition: 9780195392883: Oxford University Press: Books - Amazon.com
Longman Dictionary of American English (paperback with PIN) (5th Edition) (Longman Dictionary of Amer English): Pearson Education: 9781447948100: Amazon.com: Books
Amazon.com: American Dictionary of the English Language (1828 Facsimile Edition): 9780912498034: Noah Webster: Books
The American Heritage Dictionary of the English Language: American Heritage Publishing Company: 0046442825177: Amazon.com: Books
Oxford American Large Print Dictionary: 9780195371253: Oxford University Press: Books - Amazon.com
Amazon.com: Webster's American English Dictionary: 9781596950023: Merriam-Webster: Books
Webster's New World Dictionary of American English/Third College Edition : Books : Everything Else - Amazon.com
Longman Dictionary of American English (paperback with PIN) (5th Edition) (Longman Dictionary of Amer English): Pearson Education: 9781447948100: Amazon.com: Books
Amazon.com: Webster's American English Dictionary: 9781596950771: Inc. Merriam-Webster: Books
Amazon.com: Collins COBUILD Advanced American English Dictionary: 9780008135775: Collins UK: Books