Gaya APA

Alter, J. (1991). Essential English usage and grammar : 3 / J.B. Alter (Cet. 1). Jakarta: Binarupa Aksara.

Gaya MLA

Alter, J.B.. "Essential English usage and grammar : 3 / J.B. Alter". Cet. 1 Jakarta: Binarupa Aksara, 1991. Buku.