Gaya APA

Ltd,GLASGOW, W, C, S, A, C. (2002). OXFORD ENSIKLOPEDI PELAJAR 2 (2 (BENN - ELEMEN)). Cambridge, Mass: PTWIDYADARA.

Gaya MLA

Ltd,GLASGOW, WILLIAMS, COLLINS, SONS, AND, COMPANY. "OXFORD ENSIKLOPEDI PELAJAR 2". 2 (BENN - ELEMEN) Cambridge, Mass: PTWIDYADARA, 2002. Text.