APA aipamena

Birsch, D. (2002). Ethical Insingts. McGraw-hill.

Chicago Style aipamena

Birsch, Douglas. Ethical Insingts. McGraw-hill, 2002.

MLA aipamena

Birsch, Douglas. Ethical Insingts. McGraw-hill, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.