APA aipamena

CHRISTIE, A. (2002). BLACK COFFEE. HARPERCOLLINS PUBLISHERS.

Chicago Style aipamena

CHRISTIE, AGATHA. BLACK COFFEE. LONDON: HARPERCOLLINS PUBLISHERS, 2002.

MLA aipamena

CHRISTIE, AGATHA. BLACK COFFEE. HARPERCOLLINS PUBLISHERS, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.