Gaya APA
Kreeft, Peter. (1992).
Back to Virtue (1).
San Fransisco:
Ignatius Press.
Gaya Chicago
Kreeft, Peter.
Back to Virtue.
1
San Fransisco:
Ignatius Press,
1992.
Text.
Gaya MLA
Kreeft, Peter.
Back to Virtue.
1
San Fransisco:
Ignatius Press,
1992.
Text.
Gaya Turabian
Kreeft, Peter.
Back to Virtue.
1
San Fransisco:
Ignatius Press,
1992.
Print.