Cita APA

johnston.mark w. (2008). relationship selling. new york: Mcgraw hill.

Chicago Style Citation

johnston.mark w. Relationship Selling. new york: Mcgraw hill, 2008.

Cita MLA

johnston.mark w. Relationship Selling. new york: Mcgraw hill, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.