(1972). MAIN GROUP ELEMENTS GROUP V AND VI VOL 2. BUTTERWORTHS.
Chicago Style aipamenaMAIN GROUP ELEMENTS GROUP V AND VI VOL 2. LONDON: BUTTERWORTHS, 1972.
MLA aipamenaMAIN GROUP ELEMENTS GROUP V AND VI VOL 2. BUTTERWORTHS, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.