Cita APA (7th ed.)

Richardson, J. E. (1988). Marketing 88/90. The Dushkin.

Cita Chicago (17th ed.)

Richardson, John E. Marketing 88/90. The Dushkin, 1988.

Cita MLA (9th ed.)

Richardson, John E. Marketing 88/90. The Dushkin, 1988.

Atenció: Aquestes cites poden no estar 100% correctes.