Gaya APA

Matthews, Andrew. (2016). Being Happy! Kiat Hidup Tenteram dan Bahagia (cet 13). Jakarta: Gramedia Pustaka Utama.

Gaya Chicago

Matthews, Andrew. Being Happy! Kiat Hidup Tenteram dan Bahagia. cet 13 Jakarta: Gramedia Pustaka Utama, 2016. Text.

Gaya MLA

Matthews, Andrew. Being Happy! Kiat Hidup Tenteram dan Bahagia. cet 13 Jakarta: Gramedia Pustaka Utama, 2016. Text.

Gaya Turabian

Matthews, Andrew. Being Happy! Kiat Hidup Tenteram dan Bahagia. cet 13 Jakarta: Gramedia Pustaka Utama, 2016. Print.