Gaya APA

English Grammar Comprehension. (2007). : Grassindo.

Gaya Chicago

English Grammar Comprehension. Cet.3. : Grassindo, 2007. Textbook.

Gaya MLA

English Grammar Comprehension. Cet.3. : Grassindo, 2007. Textbook.

Gaya Turabian

English Grammar Comprehension. : Grassindo, 2007. Textbook.