APA (7th ed.) Citation

Martin, F. (1999). Gempa Bumi. Heinemann Publishers(Oxford)Ltd..

Chicago Style (17th ed.) Citation

Martin, Fred. Gempa Bumi. United Kingdom: Heinemann Publishers(Oxford)Ltd., 1999.

MLA (9th ed.) Citation

Martin, Fred. Gempa Bumi. Heinemann Publishers(Oxford)Ltd., 1999.

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