Gaya APA

Bilgrien, M, V. (1999). Solidarity: A principle, an attitude, a duty? or the virtue for an interdependent world? . New York: New York Peter Lang Publishing.

Gaya MLA

Bilgrien, Marie, Vianney. "Solidarity: A principle, an attitude, a duty? or the virtue for an interdependent world? ". New York: New York Peter Lang Publishing, 1999. Buku.