Παραπομπή APA

Block, M. P., & Block, T. B. (2005). Business-to-business market research (2nd ed.). Mason, Ohio: Texere.

Παραπομπή Chicago Style

Block, Martin P., and Tamara Brezen Block. Business-to-business Market Research. 2nd ed. Mason, Ohio: Texere, 2005.

Παραπομπή MLA

Block, Martin P., and Tamara Brezen Block. Business-to-business Market Research. 2nd ed. Mason, Ohio: Texere, 2005.

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