Cita APA (7th ed.)
Gerson, R. F. (1991). Writing and implementing a marketing plan: A guide for small business owners. Crisp.
Cita Chicago (17th ed.)
Gerson, Richard F. Writing and Implementing a Marketing Plan: A Guide for Small Business Owners. Los Altos, Calif.: Crisp, 1991.
Cita MLA (9th ed.)
Gerson, Richard F. Writing and Implementing a Marketing Plan: A Guide for Small Business Owners. Crisp, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.