Gaya APA

Matthews, Andrew. (2015). Being Happy! Kiat Hidup Tentram dan Bahagia (2). Jakarta: Gramedia Pustaka Utama.

Gaya Chicago

Matthews, Andrew. Being Happy! Kiat Hidup Tentram dan Bahagia. 2 Jakarta: Gramedia Pustaka Utama, 2015. Filsafat.

Gaya MLA

Matthews, Andrew. Being Happy! Kiat Hidup Tentram dan Bahagia. 2 Jakarta: Gramedia Pustaka Utama, 2015. Filsafat.

Gaya Turabian

Matthews, Andrew. Being Happy! Kiat Hidup Tentram dan Bahagia. 2 Jakarta: Gramedia Pustaka Utama, 2015. Filsafat.