Gaya APA

Aaker, David A. Day, George S. Kumar, V.. (1991). Marketing research 5th ed. (ed. 5). America: The Dryden Press Harcourt Brace Jovanovich College Publishers.

Gaya Chicago

Aaker, David A. Day, George S. Kumar, V.. Marketing research 5th ed.. ed. 5 America: The Dryden Press Harcourt Brace Jovanovich College Publishers, 1991. Text.

Gaya MLA

Aaker, David A. Day, George S. Kumar, V.. Marketing research 5th ed.. ed. 5 America: The Dryden Press Harcourt Brace Jovanovich College Publishers, 1991. Text.

Gaya Turabian

Aaker, David A. Day, George S. Kumar, V.. Marketing research 5th ed.. ed. 5 America: The Dryden Press Harcourt Brace Jovanovich College Publishers, 1991. Print.