APA ציטוט

Gul, S., & Anita Vidiayanti. (2007). Bencana Alam. Bogor: Yudhistira.

Chicago Style Citation

Gul, SEma, and Anita Vidiayanti. Bencana Alam. Bogor: Yudhistira, 2007.

ציטוט MLA

Gul, SEma, and Anita Vidiayanti. Bencana Alam. Bogor: Yudhistira, 2007.