http://www.issia.cnr.it/ http://www.ba.iac.cnr.it/wp/ https://ntnucamp.sce.ntnu.edu.tw/ http://leda.elfak.ni.ac.rs/

Gaya APA

Berkhof, L. et al (2022). Panduan tentang Doktrin Kristen (First Edition). Surabaya, Indonesia: Penerbit Momentum.

Gaya MLA

Berkhof, Louis. et al. "Panduan tentang Doktrin Kristen". First Edition Surabaya, Indonesia: Penerbit Momentum, 2022. Academic.