Brown, L. R., Chandler, W. U., Flavin, C., Pollock, C., Postel, S., Starke, L., . . . Serena, W. (1985). Keadaan dunia. Sahabat Alam Malaysia.
Chicago Style (17th ed.) CitationBrown, Lester R., et al. Keadaan Dunia. Penang: Sahabat Alam Malaysia, 1985.
MLA (9th ed.) CitationBrown, Lester R., et al. Keadaan Dunia. Sahabat Alam Malaysia, 1985.
Warning: These citations may not always be 100% accurate.