Dyfyniad APA

Lahey, B. B. (2007). Psychology: An introduction. Boston, Mass: McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Lahey, Benjamin B. Psychology: An Introduction. Boston, Mass: McGraw-Hill Higher Education, 2007.

Dyfyniad MLA

Lahey, Benjamin B. Psychology: An Introduction. Boston, Mass: McGraw-Hill Higher Education, 2007.

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