Dyfyniad APA

Wingate, I. B., Gillespie, K. R., & Addison, B. G. (1944). Know your merchandise. Harper & Brothers.

Dyfyniad Arddull Chicago

Wingate, Isabel Barnum, Karen R. Gillespie, and Betty G. Addison. Know Your Merchandise. New York : London: Harper & Brothers, 1944.

Dyfyniad MLA

Wingate, Isabel Barnum, et al. Know Your Merchandise. Harper & Brothers, 1944.

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