Hughes, K. (1990). How firm a foundation: Voices of the early liturgical movement. Liturgy Training Publications.
Chicago-referens (17:e uppl.)Hughes, Kathleen. How Firm a Foundation: Voices of the Early Liturgical Movement. Chicago, Ill.: Liturgy Training Publications, 1990.
MLA-referens (8:e uppl.)Hughes, Kathleen. How Firm a Foundation: Voices of the Early Liturgical Movement. Liturgy Training Publications, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.