Dyfyniad APA

Schuller, R. H. (1973). The greatest possibility thinker that ever lived. Fleming H.Revell.

Dyfyniad Arddull Chicago

Schuller, Robert H. The Greatest Possibility Thinker That Ever Lived. New Jersey: Fleming H.Revell, 1973.

Dyfyniad MLA

Schuller, Robert H. The Greatest Possibility Thinker That Ever Lived. Fleming H.Revell, 1973.

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