Dyfyniad APA

(1986). Accreditation handbook: (Revised 1986). Washington, D.C: American Psychological Association.

Dyfyniad Arddull Chicago

Accreditation Handbook: (Revised 1986). Washington, D.C: American Psychological Association, 1986.

Dyfyniad MLA

Accreditation Handbook: (Revised 1986). Washington, D.C: American Psychological Association, 1986.

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