Παραπομπή APA

Dibbs, O., & Perera, P. (1976). Promoting sales: A systematic approach to benefit selling. Jaico.

Παραπομπή Chicago Style

Dibbs, Owen, και Patricia Perera. Promoting Sales: A Systematic Approach to Benefit Selling. Madras: Jaico, 1976.

Παραπομπή MLA

Dibbs, Owen, και Patricia Perera. Promoting Sales: A Systematic Approach to Benefit Selling. Jaico, 1976.