ALTER, J. (1991). Essential english usage and grammar 3. Binarupa Aksara.
Chicago Style (17th ed.) CitationALTER, J.B. Essential English Usage and Grammar 3. Jakarta: Binarupa Aksara, 1991.
MLA (9th ed.) CitationALTER, J.B. Essential English Usage and Grammar 3. Binarupa Aksara, 1991.
Warning: These citations may not always be 100% accurate.