APA Citation

Skinner, B. J. (1984). Sumber Daya Bumi. Obor Indonesia.

Chicago Style Citation

Skinner, Brian J. Sumber Daya Bumi. Obor Indonesia, 1984.

MLA Citation

Skinner, Brian J. Sumber Daya Bumi. Obor Indonesia, 1984.

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