Lua APA (7ú heag.)

CHRISTIE AGATHA. (1970). PASSENGER TO FRANKFURT. HARPER COLLINS PUBLISHERS.

Lua i Stíl Chicago (17ú heag.)

CHRISTIE AGATHA. PASSENGER TO FRANKFURT. NEW DELHI: HARPER COLLINS PUBLISHERS, 1970.

Lua MLA (9ú heag.)

CHRISTIE AGATHA. PASSENGER TO FRANKFURT. HARPER COLLINS PUBLISHERS, 1970.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.