Gaya APA

susan, B, A, V. (1991). Marketing Research : Methodological Foundations (Edisi 5). fort worth: Harcourt Brace Jovanovich College Publishers.

Gaya MLA

susan, Bennet, Armistead,, V.. "Marketing Research : Methodological Foundations". Edisi 5 fort worth: Harcourt Brace Jovanovich College Publishers, 1991. Text.