Gaya APA

Engelhardt, L., O. (2012). Tuhan, Sahabatku (God is My Friend-A Kids Guide to God) . Yogyakarta: Kanisius.

Gaya MLA

Engelhardt, L., O.. Tuhan, Sahabatku (God is My Friend-A Kids Guide to God). Yogyakarta: Kanisius, 2012. .