Gaya APA
LACOBUCCI, D., CHURCHILL, G, A. (2010).
Marketing research methodological faundations (10th ed.).
Australia:
South-Western.
Gaya MLA
LACOBUCCI, Dawn., CHURCHILL, Gilbert, A..
"Marketing research methodological faundations".
10th ed.
Australia:
South-Western,
2010.
Buku.