Gaya APA
chiang...(at..,all), A, C. (2010).
Fundamental methods of mathematics for business and economics : volume 2 .
Jakarta:
salemba 4.
Gaya MLA
chiang...(at..,all), Alpha, C..
"Fundamental methods of mathematics for business and economics : volume 2".
Jakarta:
salemba 4,
2010.
Text.