APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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