Gaya APA
alpha, C., kevin, W. (2010).
Fundalmental Methods Of mathematics For business And Economics (Ed 1).
Jakarta:
Salemba Empat.
Gaya MLA
alpha, Chiang., kevin, Wainwringht.
"Fundalmental Methods Of mathematics For business And Economics".
Ed 1
Jakarta:
Salemba Empat,
2010.
Text.