Tohutoro APA (7th ed.)
Sontakki, C. N. (2010). Marketing research (Rev. ed.). Himalaya Pub. House.
Tohutoru Kātū Chicago (17th ed.)
Sontakki, C. N. Marketing Research. Rev. ed. Mumbai: Himalaya Pub. House, 2010.
Tohutoro MLA (9th ed.)
Sontakki, C. N. Marketing Research. Rev. ed. Himalaya Pub. House, 2010.
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