Gaya APA
Fitzgerald, M, L. (1993).
Other religions in the Catechism of the Catholic Church. Islamochristiana (1993) no.19 .
Roma:
Roma PISAI.
Gaya MLA
Fitzgerald, Michael, L..
"Other religions in the Catechism of the Catholic Church. Islamochristiana (1993) no.19".
Roma:
Roma PISAI,
1993.
Buku.