Gaya APA
Piper, J. (2008).
Supremasi Allah dalam Khotbah -
The Supremacy of God in Preaching .
Surabaya, Indonesia:
Penerbit Momentum.
Gaya MLA
Piper, John.
"Supremasi Allah dalam Khotbah -
The Supremacy of God in Preaching".
Surabaya, Indonesia:
Penerbit Momentum,
2008.
Academic.