Gaya APA

The Universe of english. (2006). : Yudhi tira.

Gaya Chicago

The Universe of english. . : Yudhi tira, 2006. Text.

Gaya MLA

The Universe of english. . : Yudhi tira, 2006. Text.

Gaya Turabian

The Universe of english. : Yudhi tira, 2006. Print.