Dyfyniad APA

Tiffin, J. (1971). Industrial psychology/5e (5th ed.). prentice hall of India.

Dyfyniad Arddull Chicago

Tiffin, Joseph. Industrial Psychology/5e. 5th ed. New Delhi: prentice hall of India, 1971.

Dyfyniad MLA

Tiffin, Joseph. Industrial Psychology/5e. 5th ed. prentice hall of India, 1971.

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