APA

Land P. y. H. J., . (1995). Catholic Social Teaching. Chicago: Loyola University Press.

Chicago

Land P y Hug J, . 1995. Catholic Social Teaching. Chicago: Loyola University Press.

Harvard

Land P. y. H. J., . (1995). Catholic Social Teaching. Chicago: Loyola University Press.

MLA

Land P y Hug J, . Catholic Social Teaching. Chicago: Loyola University Press. 1995.