Cita APA (7th ed.)

Garber, P. R. (2007). 25 Sales Strategies and Activities. Excel Books.

Cita Chicago (17th ed.)

Garber, Peter R. 25 Sales Strategies and Activities. New Delhi: Excel Books, 2007.

Cita MLA (9th ed.)

Garber, Peter R. 25 Sales Strategies and Activities. Excel Books, 2007.