Dietrich, R. V. (1961). Petrology of the Mount Airy "granite". Virginia Polytechnic Institute.
Chicago Style aipamenaDietrich, Richard V. Petrology of the Mount Airy "Granite". Blacksburg: Virginia Polytechnic Institute, 1961.
MLA aipamenaDietrich, Richard V. Petrology of the Mount Airy "Granite". Virginia Polytechnic Institute, 1961.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.