Dyfyniad APA

Murphy. A Critical Friendship. University of Nebraska Press.

Dyfyniad Arddull Chicago

Murphy. A Critical Friendship. University of Nebraska Press.

Dyfyniad MLA

Murphy. A Critical Friendship. University of Nebraska Press.

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