Gaya APA
JOHNSON, D, W. et al
(2012).
Colaborative learning:
(
Cet. ke III)
.
Bandung:
Nusa Media.
Gaya MLA
JOHNSON, David, W.. et al.
"Colaborative learning:".
Cet. ke III
Bandung:
Nusa Media,
2012.
Buku.