Tohutoro APA (7th ed.)

Der Velden, P. v. (1884). Principia Theologiae Moralis: Theoretice et practice (1a. ed.). H. Casterman.

Tohutoru Kātū Chicago (17th ed.)

Der Velden, Pio van. Principia Theologiae Moralis: Theoretice Et Practice. 1a. ed. Turín: H. Casterman, 1884.

Tohutoro MLA (9th ed.)

Der Velden, Pio van. Principia Theologiae Moralis: Theoretice Et Practice. 1a. ed. H. Casterman, 1884.