Gaya APA

Willigenburg, T, V. (1991). Inside the ethical expert. Problem solving in applied ethics. . Kampen: Kampen Kok-Pharos.

Gaya MLA

Willigenburg, Theodoor, Van. "Inside the ethical expert. Problem solving in applied ethics. ". Kampen: Kampen Kok-Pharos, 1991. Buku.