Musicae sacme disciplina. [Encycliek 25 dec. 1955].

MLA

Pius. Musicae Sacme Disciplina. [encycliek 25 Dec. 1955]. Fribourg: Ed. St-Paul, 1958.

APA

Pius, P. (1958). Musicae sacme disciplina. [Encycliek 25 dec. 1955]. Fribourg: Ed. St-Paul.

Chicago

Pius Musicae Sacme Disciplina. [encycliek 25 Dec. 1955]. Fribourg: Ed. St-Paul, 1958.