Cita APA (7th ed.)

CHRISTIE, A. (1993). POIROT'S EARLY CASES. HARPER COLLINS PUBLISHERS.

Cita Chicago (17th ed.)

CHRISTIE, AGATHA. POIROT'S EARLY CASES. LONDON: HARPER COLLINS PUBLISHERS, 1993.

Cita MLA (9th ed.)

CHRISTIE, AGATHA. POIROT'S EARLY CASES. HARPER COLLINS PUBLISHERS, 1993.