Gaya APA
Copan, P. (2008).
When God Goes to Starbucks: A Guide to Everyday Apologetics (First Edition).
Michigan, USA:
Baker Books.
Gaya MLA
Copan, Paul.
"When God Goes to Starbucks: A Guide to Everyday Apologetics".
First Edition
Michigan, USA:
Baker Books,
2008.
e-book.