Gaya APA
Ltd,GLASGOW, W, C, S, A, C. (2002).
OXFORD ENSIKLOPEDI PELAJAR 8 (8 (SERAT - ZONASI)).
Cambridge, Mass:
PTWIDYADARA.
Gaya MLA
Ltd,GLASGOW, WILLIAMS, COLLINS, SONS, AND, COMPANY.
"OXFORD ENSIKLOPEDI PELAJAR 8".
8 (SERAT - ZONASI)
Cambridge, Mass:
PTWIDYADARA,
2002.
Text.