Schulman James H. (1963). Color centres in solids. Pergamon.
Chicago Style aipamenaSchulman James H. Color Centres in Solids. N Y: Pergamon, 1963.
MLA aipamenaSchulman James H. Color Centres in Solids. Pergamon, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.