APA Style

PEALE, Norman Vincent, RM, Crue (edt), KHOHAR, Joko. (2009). The Positive Principle Today: berpikir positif setiap hari . Jogjakarta: Ragam Media.

Chicago Style

PEALE, Norman Vincent, RM, Crue (edt), KHOHAR, Joko. The Positive Principle Today: berpikir positif setiap hari. Jogjakarta: Ragam Media, 2009. Text.

MLA Style

PEALE, Norman Vincent, RM, Crue (edt), KHOHAR, Joko. The Positive Principle Today: berpikir positif setiap hari. Jogjakarta: Ragam Media, 2009. Text.

Turabian Style

PEALE, Norman Vincent, RM, Crue (edt), KHOHAR, Joko. The Positive Principle Today: berpikir positif setiap hari. Jogjakarta: Ragam Media, 2009. Print.