Gaya APA

Lefrank, A, S, M, G, S. (1989). Freedom for service, dynamics of the Ignatian Exercises as currently understood and practiced. . Anand: Gujarat Sahitya Prakash.

Gaya MLA

Lefrank, Alex,, S.J.&, Maurice, Giuliani,, SJ.. "Freedom for service, dynamics of the Ignatian Exercises as currently understood and practiced. ". Anand: Gujarat Sahitya Prakash, 1989. Buku.