Gaya APA
50 self-help classics. (2005).
Jakarta:
Bhuana Ilmu Populer.
Gaya Chicago
50 self-help classics.
.
Jakarta:
Bhuana Ilmu Populer,
2005.
Text.
Gaya MLA
50 self-help classics.
.
Jakarta:
Bhuana Ilmu Populer,
2005.
Text.
Gaya Turabian
50 self-help classics.
Jakarta:
Bhuana Ilmu Populer,
2005.
Print.