Gaya APA

II., J, P. (1980). The person, the nation and the state, presented by William Murphy. . Vatican City: Iustitia et Pax.

Gaya MLA

II., Joannes, Paulus. "The person, the nation and the state, presented by William Murphy. ". Vatican City: Iustitia et Pax, 1980. Buku.