Παραπομπή APA

Eckles, R. W. (1990). Business marketing management: Marketing of business products and services. Englewood Cliffs: Prentice-Hall.

Παραπομπή Chicago Style

Eckles, Robert W. Business Marketing Management: Marketing of Business Products and Services. Englewood Cliffs: Prentice-Hall, 1990.

Παραπομπή MLA

Eckles, Robert W. Business Marketing Management: Marketing of Business Products and Services. Englewood Cliffs: Prentice-Hall, 1990.

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