Gaya APA
Redfield, J. et al (2014).
The Twelfth Insight: the Hour of Decision (cetakan 1).
Jakarta:
pt gramedia Pustaka Utama.
Gaya MLA
Redfield, James. et al.
"The Twelfth Insight: the Hour of Decision".
cetakan 1
Jakarta:
pt gramedia Pustaka Utama,
2014.
Text.