Dyfyniad APA

Zimmer, A. (1966). The strategy of successful retail salesmanship. Mc Graw Hill.

Dyfyniad Arddull Chicago

Zimmer, Allen. The Strategy of Successful Retail Salesmanship. New York: Mc Graw Hill, 1966.

Dyfyniad MLA

Zimmer, Allen. The Strategy of Successful Retail Salesmanship. Mc Graw Hill, 1966.

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