Kerr, P. (1977). Optimal mineralogy. McGraw-Hill.
Chicago Style aipamenaKerr, Paul. Optimal Mineralogy. New York: McGraw-Hill, 1977.
MLA aipamenaKerr, Paul. Optimal Mineralogy. McGraw-Hill, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.