APA ציטוט

KRAUS,SLAWSON. (1969). GEMS & GEM MATERIALS. MCGRAW - HILL BOOK CO.

Chicago Style (17th ed.) Citation

KRAUS,SLAWSON. GEMS & GEM MATERIALS. NEW YORK: MCGRAW - HILL BOOK CO, 1969.

ציטוט MLA

KRAUS,SLAWSON. GEMS & GEM MATERIALS. MCGRAW - HILL BOOK CO, 1969.