APA (7e ed.) Bronvermelding

Gibbs, R. (2000). Why ethics? signs of responsibilities. Princetion uni Press.

Chicago (17e ed.) Bronvermelding

Gibbs, R. Why Ethics? Signs of Responsibilities. New Jersey: Princetion uni Press, 2000.

MLA (9e ed.) Bronvermelding

Gibbs, R. Why Ethics? Signs of Responsibilities. Princetion uni Press, 2000.