Παραπομπή σε μορφή APA (7η εκδ.)

Hughes, K. (1990). How firm a foundation: Voices of the early liturgical movement. Liturgy Training Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hughes, Kathleen. How Firm a Foundation: Voices of the Early Liturgical Movement. Chicago, Ill.: Liturgy Training Publications, 1990.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hughes, Kathleen. How Firm a Foundation: Voices of the Early Liturgical Movement. Liturgy Training Publications, 1990.