Gaya APA

FRENSIDY, B. et al (2010). FUNDAMENTAL methods of mathematics for business and economics, volume 1 (Indonesian edition). Jakarta: Salemba Empat.

Gaya MLA

FRENSIDY, Budi. et al. "FUNDAMENTAL methods of mathematics for business and economics, volume 1". Indonesian edition Jakarta: Salemba Empat, 2010. Buku.