Gaya APA

Sweeters, J, S. (). The just wage 1891-1931, a study of moralists from Rerum Novarum to Quadragesimo Anno. Excerpta ex dissertatione P.U.G. . Roma: 1968.

Gaya MLA

Sweeters, J.,, S.J.. "The just wage 1891-1931, a study of moralists from Rerum Novarum to Quadragesimo Anno. Excerpta ex dissertatione P.U.G. ". Roma: 1968, . Buku.