Gaya APA
Aziz, Abdul. (2013).
19 Keys Happy-Healthy-Wealthy .
Jakarta:
Erlangga.
Gaya Chicago
Aziz, Abdul.
19 Keys Happy-Healthy-Wealthy.
Jakarta:
Erlangga,
2013.
Text.
Gaya MLA
Aziz, Abdul.
19 Keys Happy-Healthy-Wealthy.
Jakarta:
Erlangga,
2013.
Text.
Gaya Turabian
Aziz, Abdul.
19 Keys Happy-Healthy-Wealthy.
Jakarta:
Erlangga,
2013.
Print.