Gaya APA

Russell, A, J, I. (1990). 'The right to think' in three contemporary theologians: Gustavo Gutiérrez, Enrique Dussel and Leonardo Boff. . Roma: Academia Alfonsiana.

Gaya MLA

Russell, Anthony, J.,, I.C.. "'The right to think' in three contemporary theologians: Gustavo Gutiérrez, Enrique Dussel and Leonardo Boff. ". Roma: Academia Alfonsiana, 1990. Buku.