Barbour, I. G. (1976). Myths, models and paradigms. HarperSanFrancisco.
Chicago Style (17th ed.) ZitazioaBarbour, Ian G. Myths, Models and Paradigms. New York: HarperSanFrancisco, 1976.
MLA (9th ed.) ZitazioaBarbour, Ian G. Myths, Models and Paradigms. HarperSanFrancisco, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.