Gaya APA

Doman, D. (1997). Look before you leap: market research made easy: lakukan sendiri riset pasar anda . Jakarta: PT Gramedia Pustaka Utama.

Gaya MLA

Doman, Don. "Look before you leap: market research made easy: lakukan sendiri riset pasar anda". Jakarta: PT Gramedia Pustaka Utama, 1997. Text.