Singer, P. (1988). Etica práctica (2a ed.). Ariel.
Chicago Style (17th ed.) CitationSinger, Peter. Etica Práctica. 2a ed. Barcelona: Ariel, 1988.
MLA (9th ed.) CitationSinger, Peter. Etica Práctica. 2a ed. Ariel, 1988.
Warning: These citations may not always be 100% accurate.