Gaya APA
O'Brien, Mary Consilia. (1941).
Christian Social Principles (1).
New York:
P.J.Kenedy & Sons.
Gaya Chicago
O'Brien, Mary Consilia.
Christian Social Principles.
1
New York:
P.J.Kenedy & Sons,
1941.
Text.
Gaya MLA
O'Brien, Mary Consilia.
Christian Social Principles.
1
New York:
P.J.Kenedy & Sons,
1941.
Text.
Gaya Turabian
O'Brien, Mary Consilia.
Christian Social Principles.
1
New York:
P.J.Kenedy & Sons,
1941.
Print.