Gaya APA
O'Brien, J. (1953).
Truths men live by, a philosophy of religion and life, [10th pr.]. Copyright 1946. .
New York:
Macmillan.
Gaya MLA
O'Brien, J.A..
"Truths men live by, a philosophy of religion and life, [10th pr.]. Copyright 1946. ".
New York:
Macmillan,
1953.
Buku.