Ballin, W. H. (1990). Perfect your English: The easy way. Prentice Hall.
Chicago Style (17th ed.) CitationBallin, W. H. Perfect Your English: The Easy Way. Englewood Cliffs, N.J: Prentice Hall, 1990.
MLA (9th ed.) CitationBallin, W. H. Perfect Your English: The Easy Way. Prentice Hall, 1990.
Warning: These citations may not always be 100% accurate.