APA (7th ed.) Citation

Skiner, B. J. (1984). Sumber daya bumi. UGM University Press.

Chicago Style (17th ed.) Citation

Skiner, Brian J. Sumber Daya Bumi. UGM University Press, 1984.

MLA (8th ed.) Citation

Skiner, Brian J. Sumber Daya Bumi. UGM University Press, 1984.

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