Gaya APA

Hartono, Puji, Pranowo. (2009). Spiritual Quantum Smile/ . New York: Proyou.

Gaya Chicago

Hartono, Puji, Pranowo. Spiritual Quantum Smile/. New York: Proyou, 2009. Text.

Gaya MLA

Hartono, Puji, Pranowo. Spiritual Quantum Smile/. New York: Proyou, 2009. Text.

Gaya Turabian

Hartono, Puji, Pranowo. Spiritual Quantum Smile/. New York: Proyou, 2009. Print.