Tohutoro APA (7th ed.)
Brown, L. O., & Beik, L. L. (1969). Marketing research and analysis (4th ed.). Ronald Press Co..
Tohutoru Kātū Chicago (17th ed.)
Brown, Lyndon O., me Leland Larson Beik. Marketing Research and Analysis. 4th ed. New York: Ronald Press Co., 1969.
Tohutoro MLA (9th ed.)
Brown, Lyndon O., me Leland Larson Beik. Marketing Research and Analysis. 4th ed. Ronald Press Co., 1969.
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