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

Boettner, L. (1967). Roman Catholicism (Fifth Edition). Philadelphia, USA: The Presbyterian and Reformed Publishing Company.

Gaya MLA

Boettner, Loraine. "Roman Catholicism". Fifth Edition Philadelphia, USA: The Presbyterian and Reformed Publishing Company, 1967. Academic.