APA ציטוט

Charles M Futrell. (1987). ABC's of Relationship Selling (5th.). McGraw-Hill.

Chicago Edition Citation

Charles M Futrell. ABC's of Relationship Selling. 5th. New York: McGraw-Hill, 1987.

ציטוט MLA

Charles M Futrell. ABC's of Relationship Selling. 5th. McGraw-Hill, 1987.