Gaya APA
Piper, J.
(1997).
Hunger for God, A: Desiring God Through Fasting and Prayer
.
Illinois:
Crossway Books.
Gaya MLA
Piper, John.
"Hunger for God, A: Desiring God Through Fasting and Prayer".
Illinois:
Crossway Books,
1997.
Karya Cetak.