Cita APA (7a ed.)

Eckles, R. (1990). Business marketing management: Marketing of business products and services. Prentice Hall.

Cita Chicago Style (17a ed.)

Eckles, Robert. Business Marketing Management: Marketing of Business Products and Services. New Jersey: Prentice Hall, 1990.

Cita MLA (9a ed.)

Eckles, Robert. Business Marketing Management: Marketing of Business Products and Services. Prentice Hall, 1990.