Dyfyniad APA

White, P., & Hayward, W. S. (1924). Marketing practice. Doubleday, Page & Co..

Dyfyniad Arddull Chicago

White, Percival, and Walter Sumner Hayward. Marketing Practice. Garden City, N.Y.: Doubleday, Page & Co., 1924.

Dyfyniad MLA

White, Percival, and Walter Sumner Hayward. Marketing Practice. Doubleday, Page & Co., 1924.

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