APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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