APA

Wotruba T. R., Olsen R. M., . (1971). Readings in sales management: concepts and viewpoints. New York: Holt, Rinehart and Winston.

Chicago

Wotruba Thomas R, Olsen Robert M, . 1971. Readings in sales management: concepts and viewpoints. New York: Holt, Rinehart and Winston.

Harvard

Wotruba T. R., Olsen R. M., . (1971). Readings in sales management: concepts and viewpoints. New York: Holt, Rinehart and Winston.

MLA

Wotruba Thomas R, Olsen Robert M, . Readings in sales management: concepts and viewpoints. New York: Holt, Rinehart and Winston. 1971.