Gaya APA

Lye, keith. (2001). Gempa Bumi . london: Grolier international.

Gaya Chicago

Lye, keith. Gempa Bumi. london: Grolier international, 2001. Text.

Gaya MLA

Lye, keith. Gempa Bumi. london: Grolier international, 2001. Text.

Gaya Turabian

Lye, keith. Gempa Bumi. london: Grolier international, 2001. Print.