Gaya APA

Gul, Sema. (2007). Langit . Bogor: Yudhistira.

Gaya Chicago

Gul, Sema. Langit. Bogor: Yudhistira, 2007. Text.

Gaya MLA

Gul, Sema. Langit. Bogor: Yudhistira, 2007. Text.

Gaya Turabian

Gul, Sema. Langit. Bogor: Yudhistira, 2007. Print.