Tohutoro APA (7th ed.)
Parasuraman, A. (1986). Marketing research. Addison.
Tohutoru Kātū Chicago (17th ed.)
Parasuraman, A. Marketing Research. California: Addison, 1986.
Tohutoro MLA (9th ed.)
Parasuraman, A. Marketing Research. Addison, 1986.
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