Gaya APA

[at.a], H, C, C., Gary, M, G. (1981). Handbook of Selling Psychological, Managerial and Marketing Bases . Canada: A Ronal Press Publication.

Gaya MLA

[at.a], Harold, C., Cash., Gary, M., Grikscheit,. "Handbook of Selling Psychological, Managerial and Marketing Bases". Canada: A Ronal Press Publication, 1981. Teks.