Dyfyniad APA
Certo, S. C. (2003). Modern management: Adding digital focus (9th ed.). Prentice Hall.
Dyfyniad Arddull Chicago
Certo, Samuel C. Modern Management: Adding Digital Focus. 9th ed. Upper Saddle River, NJ ; New Delhi: Prentice Hall, 2003.
Dyfyniad MLA
Certo, Samuel C. Modern Management: Adding Digital Focus. 9th ed. Prentice Hall, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.