Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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