Gaya APA

Houdek, F, J. (1991). The road too often traveled: formation: 'developing the apostolic body of the society'. . St Louis: AAS on Jesuit Spirituality.

Gaya MLA

Houdek, Frank, J.. "The road too often traveled: formation: 'developing the apostolic body of the society'. ". St Louis: AAS on Jesuit Spirituality, 1991. Buku.