Gaya APA

Breen, George Edward. (1989). Do-it-yourself marketing research 3rd. ed. (ed. 3). America: McGraw-Hill, Inc..

Gaya Chicago

Breen, George Edward. Do-it-yourself marketing research 3rd. ed.. ed. 3 America: McGraw-Hill, Inc., 1989. Text.

Gaya MLA

Breen, George Edward. Do-it-yourself marketing research 3rd. ed.. ed. 3 America: McGraw-Hill, Inc., 1989. Text.

Gaya Turabian

Breen, George Edward. Do-it-yourself marketing research 3rd. ed.. ed. 3 America: McGraw-Hill, Inc., 1989. Print.