Gaya APA
Sastha, H, B., Hanif, .
(2007).
Mountain climbing for everybody : panduan mendaki gunung
.
Jakarta:
Hikmah.
Gaya MLA
Sastha, Harley, Bayu., Hanif, .
"Mountain climbing for everybody : panduan mendaki gunung".
Jakarta:
Hikmah,
2007.
Text.