APA (7e ed.) Bronvermelding

Gamm, D. B. (1976). On cloud nine: 24 model liturgies and 4 penance services for grades one through four, thematically arranged for the school year with emphasis on the liturgical seasons. Ave Maria Press.

Chicago (17e ed.) Bronvermelding

Gamm, David B. On Cloud Nine: 24 Model Liturgies and 4 Penance Services for Grades One Through Four, Thematically Arranged for the School Year with Emphasis on the Liturgical Seasons. Notre Dame, Ind.: Ave Maria Press, 1976.

MLA (8e ed.) Bronvermelding

Gamm, David B. On Cloud Nine: 24 Model Liturgies and 4 Penance Services for Grades One Through Four, Thematically Arranged for the School Year with Emphasis on the Liturgical Seasons. Ave Maria Press, 1976.