Dyfyniad APA

Heppenstall, R. (1968). The connecting door. Dufour.

Dyfyniad Arddull Chicago

Heppenstall, Rayner. The Connecting Door. [Chester Springs, Pa.]: Dufour, 1968.

Dyfyniad MLA

Heppenstall, Rayner. The Connecting Door. Dufour, 1968.

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