Gaya APA

Frankl, V, E. (2019). Man's search for meaning (Empat). Jakarta : Noura Books, 2019.: Jakarta : Noura Books, 2019..

Gaya MLA

Frankl, Viktor, E.. "Man's search for meaning". Empat Jakarta : Noura Books, 2019.: Jakarta : Noura Books, 2019., 2019. Text.