Gaya APA

Aaker, ., SH.,MH, D, R, L, S, D, D, K. (1987). Marketing Research (5). New York: Jhon Willey.

Gaya MLA

Aaker, ., SH.,MH, Dr., Ramlani, Lina, Sinaulan,SH.,MH, Dan, Dr.Zulkarnaen, Koto,. "Marketing Research". 5 New York: Jhon Willey, 1987. Text.