BROWN & NG. (1985). KEADAAN dunia. Sahabat Alam Malaysia.
Chicago Style (17th ed.) CitationBROWN and NG. KEADAAN Dunia. Penang: Sahabat Alam Malaysia, 1985.
MLA (8th ed.) CitationBROWN and NG. KEADAAN Dunia. Sahabat Alam Malaysia, 1985.
Warning: These citations may not always be 100% accurate.