APA (7th ed.) Citation

Koch, R. (2018). Living The 80/20 Way. Gramedia Pustaka Utama.

Chicago Style (17th ed.) Citation

Koch, Richard. Living The 80/20 Way. Gramedia Pustaka Utama, 2018.

MLA (8th ed.) Citation

Koch, Richard. Living The 80/20 Way. Gramedia Pustaka Utama, 2018.

Warning: These citations may not always be 100% accurate.