APA (7e ed.) Bronvermelding

Certo, S. C. (2003). Modern management: Adding digital focus (9th ed.). Prentice Hall.

Chicago (17e ed.) Bronvermelding

Certo, Samuel C. Modern Management: Adding Digital Focus. 9th ed. Upper Saddle River, NJ: Prentice Hall, 2003.

MLA (8e ed.) Bronvermelding

Certo, Samuel C. Modern Management: Adding Digital Focus. 9th ed. Prentice Hall, 2003.