Cita APA (7a ed.)

Biong, H., & Selnes, F. (1996). The strategic role of the salesperson in established buyer-seller relationship. Marketing Science Institute.

Cita Chicago Style (17a ed.)

Biong, Harald, y Fred Selnes. The Strategic Role of the Salesperson in Established Buyer-seller Relationship. Cambridge, Massachusetts: Marketing Science Institute, 1996.

Cita MLA (9a ed.)

Biong, Harald, y Fred Selnes. The Strategic Role of the Salesperson in Established Buyer-seller Relationship. Marketing Science Institute, 1996.