Dyfyniad APA

LEAHEY, T. H., & HARRIS, R. J. (1993). Learning and cognition.-- ed.3. Prentice Hall.

Dyfyniad Arddull Chicago

LEAHEY, Thomas H., and Richard Jackson HARRIS. Learning and Cognition.-- Ed.3. Englewood Cliffs: Prentice Hall, 1993.

Dyfyniad MLA

LEAHEY, Thomas H., and Richard Jackson HARRIS. Learning and Cognition.-- Ed.3. Prentice Hall, 1993.

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