Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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