Gaya APA
Berkhof, L. (2013).
DAsar pendidikan kristen (Foundations of christian education (Cetakan 5).
Surabaya:
Momentum.
Gaya MLA
Berkhof, Louis.
"DAsar pendidikan kristen (Foundations of christian education".
Cetakan 5
Surabaya:
Momentum,
2013.
Text.