Gaya APA

Rif'an, A, R. (2019). Hidup sekali, berarti, lalu mati= transform our life, help others, stay positive (Cet. 17). Jakarta: PT. Elex media komputindo.

Gaya MLA

Rif'an, Ahmad, Rifa'I. "Hidup sekali, berarti, lalu mati= transform our life, help others, stay positive". Cet. 17 Jakarta: PT. Elex media komputindo, 2019. Text.