APA aipamena

Porter, N. (1889). The Elements of moral science: Theoretical and Practical. New York: Charles Scribner's Sons.

Chicago Style aipamena

Porter, Noah. The Elements of Moral Science: Theoretical and Practical. New York: Charles Scribner's Sons, 1889.

MLA aipamena

Porter, Noah. The Elements of Moral Science: Theoretical and Practical. New York: Charles Scribner's Sons, 1889.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.