Cita APA (7th ed.)

ALTER, J. (1991). Essential english usage and grammar 3. Binarupa Aksara.

Cita Chicago (17th ed.)

ALTER, J.B. Essential English Usage and Grammar 3. Jakarta: Binarupa Aksara, 1991.

Cita MLA (9th ed.)

ALTER, J.B. Essential English Usage and Grammar 3. Binarupa Aksara, 1991.