Gaya APA
Piper, J.
(1986).
Desiring God : meditations of a christian hedonist (Trawas)
.
Portland:
Multnomah Press.
Gaya MLA
Piper, John.
"Desiring God : meditations of a christian hedonist (Trawas)".
Portland:
Multnomah Press,
1986.
Text.