Gaya APA

Schotte, J, P, C. (1982). Reflections on 'Laborem Exercens'. . Vatican City: Iustitia et Pax.

Gaya MLA

Schotte, Jan, P.,, CICM.. "Reflections on 'Laborem Exercens'. ". Vatican City: Iustitia et Pax, 1982. Buku.