Gaya APA

Let's write english. (1980). Yogyakarta: .

Gaya Chicago

Let's write english. . Yogyakarta: , 1980. Text.

Gaya MLA

Let's write english. . Yogyakarta: , 1980. Text.

Gaya Turabian

Let's write english. Yogyakarta: , 1980. Print.