Gaya APA

Hug, J, A., DeBerri, E, P. (1992). Catholic Sosial Teaching : Our Best Kept Secret (First Published). New York: Orbis Books.

Gaya MLA

Hug, James, A.., DeBerri, Edward, P.. "Catholic Sosial Teaching : Our Best Kept Secret". First Published New York: Orbis Books, 1992. Text.