Gaya APA

Pratt, L, N. (). Grammar : Step-By-Step volume 1 / Lorraine Nichols Pratt (Cet. 1). Jakarta: Binarupa Aksara.

Gaya MLA

Pratt, Lorraine, Nichols. "Grammar : Step-By-Step volume 1 / Lorraine Nichols Pratt". Cet. 1 Jakarta: Binarupa Aksara, . Text.