Gaya APA

Bouyer, L. (-1961). Introduction to spirituality, transl. by Mary Perkins Ryan. Impr.1961. : Introduction à la vie spirituelle. 1960. . Collegeville: Liturgical Press.

Gaya MLA

Bouyer, L.. "Introduction to spirituality, transl. by Mary Perkins Ryan. Impr.1961. : Introduction à la vie spirituelle. 1960.". Collegeville: Liturgical Press, -1961. Buku.