APA Style
Canfield, Jack. (2004).
Kekuatan dari Focus / The Power of Focus .
:
Karisma Press.
Chicago Style
Canfield, Jack.
Kekuatan dari Focus / The Power of Focus.
:
Karisma Press,
2004.
Text.
MLA Style
Canfield, Jack.
Kekuatan dari Focus / The Power of Focus.
:
Karisma Press,
2004.
Text.
Turabian Style
Canfield, Jack.
Kekuatan dari Focus / The Power of Focus.
:
Karisma Press,
2004.
Print.