APA (7th ed.) Citation

Conn, C. P., & P, Y. A. (1993). Janji yang harus ditepati [promises to keep] fenomena dan keberhasilan amway. Binarupa Aksara.

Chicago Style (17th ed.) Citation

Conn, Charles Paul, and Yudhistira Angga P. Janji Yang Harus Ditepati [promises to Keep] Fenomena Dan Keberhasilan Amway. Binarupa Aksara, 1993.

MLA (8th ed.) Citation

Conn, Charles Paul, and Yudhistira Angga P. Janji Yang Harus Ditepati [promises to Keep] Fenomena Dan Keberhasilan Amway. Binarupa Aksara, 1993.