Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.