Gaya APA

Graham, R, S. ( 1959(1960)). Vatican diplomacy, a study of Church and State on international plane, (2nd pr.). . Princeton: University Press.

Gaya MLA

Graham, R.A.,, S.J.. "Vatican diplomacy, a study of Church and State on international plane, (2nd pr.). ". Princeton: University Press, 1959(1960). Buku.