Gaya APA

Seven heroes. (2009). Yogyakarta: Bentang.

Gaya Chicago

Seven heroes. . Yogyakarta: Bentang, 2009. Text.

Gaya MLA

Seven heroes. . Yogyakarta: Bentang, 2009. Text.

Gaya Turabian

Seven heroes. Yogyakarta: Bentang, 2009. Print.