Cita APA (7th ed.)

Zimmer, A. (1966). The strategy of successful retail salesmanship. Mc Graw Hill.

Cita Chicago (17th ed.)

Zimmer, Allen. The Strategy of Successful Retail Salesmanship. New York: Mc Graw Hill, 1966.

Cita MLA (9th ed.)

Zimmer, Allen. The Strategy of Successful Retail Salesmanship. Mc Graw Hill, 1966.