Dyfyniad APA

Gannon, R. I. (1947). After black coffee. The Declan X. McMullen company.

Dyfyniad Arddull Chicago

Gannon, Robert I. After Black Coffee. New York: The Declan X. McMullen company, 1947.

Dyfyniad MLA

Gannon, Robert I. After Black Coffee. The Declan X. McMullen company, 1947.

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