Gaya APA

Ratzinger, J. (1998). Steps in safeguarding doctrine clarified. Regulations fordoctrinal examinations from the Congregation for theDoctrine of the Faith (June 29, 1997). . : .

Gaya MLA

Ratzinger, Joseph. "Steps in safeguarding doctrine clarified. Regulations fordoctrinal examinations from the Congregation for theDoctrine of the Faith (June 29, 1997). ". : , 1998. Majalah.