Gaya APA
Keller, T. (2014).
Gospel in Life (Buku 1): Grace Changes Everything (Trawas) .
Grand Rapids, Michigan:
Zondervan.
Gaya MLA
Keller, Timothy.
"Gospel in Life (Buku 1): Grace Changes Everything (Trawas)".
Grand Rapids, Michigan:
Zondervan,
2014.
Text.