Lua APA (7ú heag.)

De Kruif, P., & De Kruif, R. B. (1936). Why keep them alive? Harcourt, Brace and Company.

Lua i Stíl Chicago (17ú heag.)

De Kruif, Paul, agus Rhea Barbarin De Kruif. Why Keep Them Alive? New York: Harcourt, Brace and Company, 1936.

Lua MLA (8ú heag.)

De Kruif, Paul, agus Rhea Barbarin De Kruif. Why Keep Them Alive? Harcourt, Brace and Company, 1936.

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