Gaya APA
Franses, P, H., Paap, R. (2004).
Quantitative Models in Marketing Research .
United States of Amerika:
Cambridge University Press.
Gaya MLA
Franses, Philip, Hans., Paap, Richard.
"Quantitative Models in Marketing Research".
United States of Amerika:
Cambridge University Press,
2004.
Teknik Informatika S1.