Cita APA (7a ed.)
Pederson, C. A., & Wright, M. D. (1971). Salesmanship: Principles and Methods (5. ed.). Irwin.
Cita Chicago Style (17a ed.)
Pederson, Carlton A., y Milburn D. Wright. Salesmanship: Principles and Methods. 5. ed. Homewood: Irwin, 1971.
Cita MLA (9a ed.)
Pederson, Carlton A., y Milburn D. Wright. Salesmanship: Principles and Methods. 5. ed. Irwin, 1971.
Precaución: Estas citas no son 100% exactas.