Lua APA (7ú heag.)

Willems, C. (1908). Philosophia moralis: Auct. C. Willems. Paulinus-Dr..

Lua i Stíl Chicago (17ú heag.)

Willems, Christoph. Philosophia Moralis: Auct. C. Willems. Treveris: Paulinus-Dr., 1908.

Lua MLA (8ú heag.)

Willems, Christoph. Philosophia Moralis: Auct. C. Willems. Paulinus-Dr., 1908.

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