Gaya APA
Chopra, V, M, D, D.
(2008).
The Quantum Happiness
.
yogyakarta:
Pustaka Baca.
Gaya MLA
Chopra, Vikas, Malkani, Dan, Deepak.
"The Quantum Happiness".
yogyakarta:
Pustaka Baca,
2008.
Text.