Gaya APA

XIII, L. (1944). (Rerum novarum, May 15, 1891), the condition of the working classes, with introd. and appendix by the late Canon (H) Parkinson, 185th thous. . Oxford: Catholic social guild.

Gaya MLA

XIII, Leo. "(Rerum novarum, May 15, 1891), the condition of the working classes, with introd. and appendix by the late Canon (H) Parkinson, 185th thous. ". Oxford: Catholic social guild, 1944. Buku.