Gannon, R. I. (1964). After more black coffee. Farrar, Straus.
Chicago Style aipamenaGannon, Robert I. After More Black Coffee. New York: Farrar, Straus, 1964.
MLA aipamenaGannon, Robert I. After More Black Coffee. Farrar, Straus, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.