Gaya APA

Gallagher, M, P, S. (1987). Free to believe: ten steps to faith. Foreword by J. Vanier. . Chicago: Loyola UP.

Gaya MLA

Gallagher, Michael, Paul,, S.J.. "Free to believe: ten steps to faith. Foreword by J. Vanier. ". Chicago: Loyola UP, 1987. Buku.