APA Citation

Knapp, B. (1993). Gunung berapi. Petaling Jaya: Delta.

Chicago Style Citation

Knapp, Brian. Gunung Berapi. Petaling Jaya: Delta, 1993.

MLA Citation

Knapp, Brian. Gunung Berapi. Petaling Jaya: Delta, 1993.

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