Babin Maria Teresa & Luby, B. (1971). The puerto ricans spirit: Their history life nad culture. Collier Books.
Chicago Style (17th ed.) ZitazioaBabin Maria Teresa eta Barry Luby. The Puerto Ricans Spirit: Their History Life Nad Culture. New York: Collier Books, 1971.
MLA (9th ed.) ZitazioaBabin Maria Teresa eta Barry Luby. The Puerto Ricans Spirit: Their History Life Nad Culture. Collier Books, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.