Cita APA (7th ed.)

McCall, J. B., & Warrington, M. B. (1989). Marketing by agreement: A cross-cultural approach to business negotiations (2nd ed.). Wiley.

Cita Chicago (17th ed.)

McCall, J. B., i M. B. Warrington. Marketing by Agreement: A Cross-cultural Approach to Business Negotiations. 2nd ed. Chichester [England], New York: Wiley, 1989.

Cita MLA (9th ed.)

McCall, J. B., i M. B. Warrington. Marketing by Agreement: A Cross-cultural Approach to Business Negotiations. 2nd ed. Wiley, 1989.