APA-referens

Kranz, R., & Kranz, M. (1980). Professional selling, a practical approach. Van Nostrand.

Chicago-stil citat

Kranz, R.J, och M.K Kranz. Professional Selling, a Practical Approach. New York: Van Nostrand, 1980.

MLA-referens

Kranz, R.J, och M.K Kranz. Professional Selling, a Practical Approach. Van Nostrand, 1980.