Skiner, B. J. (1984). Sumber daya bumi. UGM University Press.
Chicago Style (17th ed.) CitationSkiner, Brian J. Sumber Daya Bumi. UGM University Press, 1984.
MLA (8th ed.) CitationSkiner, Brian J. Sumber Daya Bumi. UGM University Press, 1984.
Warning: These citations may not always be 100% accurate.