Gaya APA
Sibthorp, J., Jostad, J. (2014).
The Social System in Outdoor Adventure Education Programs (Vol. 37(1) 60– 74).
U.S.A:
SAGE.
Gaya MLA
Sibthorp, Jim., Jostad, Jeremy.
"The Social System in Outdoor Adventure Education Programs".
Vol. 37(1) 60– 74
U.S.A:
SAGE,
2014.
e-journal.