Dyfyniad APA

DeVito, J. A. (1971). Communication: Concepts and processes. Prentice-Hall.

Dyfyniad Arddull Chicago

DeVito, Joseph A. Communication: Concepts and Processes. Englewood Cliffs, New Jersey: Prentice-Hall, 1971.

Dyfyniad MLA

DeVito, Joseph A. Communication: Concepts and Processes. Prentice-Hall, 1971.

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