Dyfyniad APA
Robertson, I. (1979). What the cults believe (2nd ed., rev.). Moody.
Dyfyniad Arddull Chicago
Robertson, Irvine. What the Cults Believe. 2nd ed., rev. Chicago: Moody, 1979.
Dyfyniad MLA
Robertson, Irvine. What the Cults Believe. 2nd ed., rev. Moody, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.