Dyfyniad APA

Certo, S. C. (2009). Modern management concepts and skills. New Jersey: Prentice Hall.

Dyfyniad Arddull Chicago

Certo, Samuel C. Modern Management Concepts and Skills. New Jersey: Prentice Hall, 2009.

Dyfyniad MLA

Certo, Samuel C. Modern Management Concepts and Skills. New Jersey: Prentice Hall, 2009.

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