APA Citation

KNAPP, B. (1993). Gempa bumi. Petaling Jaya: Delta.

Chicago Style Citation

KNAPP, Brian. Gempa Bumi. Petaling Jaya: Delta, 1993.

MLA Citation

KNAPP, Brian. Gempa Bumi. Petaling Jaya: Delta, 1993.

Warning: These citations may not always be 100% accurate.