APA-referens (7:e uppl.)

Collins, P. W. (1991). Gustave Weigel: A pioneer of reform. Liturgical Press.

Chicago-referens (17:e uppl.)

Collins, Patrick W. Gustave Weigel: A Pioneer of Reform. Collegeville, Minn.: Liturgical Press, 1991.

MLA-referens (8:e uppl.)

Collins, Patrick W. Gustave Weigel: A Pioneer of Reform. Liturgical Press, 1991.