Gaya APA
Clegg, Brian. (2001).
Instant motivation .
Jakarta:
Erlangga.
Gaya Chicago
Clegg, Brian.
Instant motivation.
Jakarta:
Erlangga,
2001.
Text.
Gaya MLA
Clegg, Brian.
Instant motivation.
Jakarta:
Erlangga,
2001.
Text.
Gaya Turabian
Clegg, Brian.
Instant motivation.
Jakarta:
Erlangga,
2001.
Print.