Gaya APA
Cahill, Thomas. (2002).
Pope John XXIII .
New York:
Penguin Books.
Gaya Chicago
Cahill, Thomas.
Pope John XXIII.
New York:
Penguin Books,
2002.
Text.
Gaya MLA
Cahill, Thomas.
Pope John XXIII.
New York:
Penguin Books,
2002.
Text.
Gaya Turabian
Cahill, Thomas.
Pope John XXIII.
New York:
Penguin Books,
2002.
Print.