Cita APA (7a ed.)

(1987). Contemporary moral issues (2. ed.). McGraw-Hill Ryerson.

Cita Chicago Style (17a ed.)

Contemporary Moral Issues. 2. ed. Toronto [u.a.]: McGraw-Hill Ryerson, 1987.

Cita MLA (9a ed.)

Contemporary Moral Issues. 2. ed. McGraw-Hill Ryerson, 1987.