Gaya APA

XVI, J, C, R, P, B., (tr), S, M, F, M, S. (1989). Principles of catholic theology Building stones for a fundamental theology (Theologische prinzipienlehre) . : ignatius.

Gaya MLA

XVI, Joseph, Cardinal, Ratzinger, Pope, Benedict., (tr), Sr., Mary, Frances, McCarthy,, SND. "Principles of catholic theology Building stones for a fundamental theology (Theologische prinzipienlehre)". : ignatius, 1989. Text.