Gaya APA
Contextual Teaching & Learning. (2009).
Jakarta:
MLC.
Gaya Chicago
Contextual Teaching & Learning.
Cet.7.
Jakarta:
MLC,
2009.
.
Gaya MLA
Contextual Teaching & Learning.
Cet.7.
Jakarta:
MLC,
2009.
.
Gaya Turabian
Contextual Teaching & Learning.
Jakarta:
MLC,
2009.
.