Gaya APA
Guardini, Romano. (1957).
Before Mass (Kedua).
London:
Longman.
Gaya Chicago
Guardini, Romano.
Before Mass.
Kedua
London:
Longman,
1957.
.
Gaya MLA
Guardini, Romano.
Before Mass.
Kedua
London:
Longman,
1957.
.
Gaya Turabian
Guardini, Romano.
Before Mass.
Kedua
London:
Longman,
1957.
.