APA Style
Hartono, Puji, Pranowo. (2009).
Spiritual Quantum Smile .
New York:
Proyou.
Chicago Style
Hartono, Puji, Pranowo.
Spiritual Quantum Smile.
New York:
Proyou,
2009.
Text.
MLA Style
Hartono, Puji, Pranowo.
Spiritual Quantum Smile.
New York:
Proyou,
2009.
Text.
Turabian Style
Hartono, Puji, Pranowo.
Spiritual Quantum Smile.
New York:
Proyou,
2009.
Print.