Gaya APA
alpha,...(at...all), C, C. (2010).
Fundamental methods of mathematics for business and economics : volume 1 .
Jakarta:
salemba 4.
Gaya MLA
alpha,...(at...all), Chiang, C..
"Fundamental methods of mathematics for business and economics : volume 1".
Jakarta:
salemba 4,
2010.
Text.