APA-referens (7:e uppl.)

Howell, C. (1955). Preparing for Easter. Liturgical Press.

Chicago-referens (17:e uppl.)

Howell, Clifford. Preparing for Easter. Collegeville, Minn.: Liturgical Press, 1955.

MLA-referens (8:e uppl.)

Howell, Clifford. Preparing for Easter. Liturgical Press, 1955.