APA引文

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

芝加哥风格引文

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

MLA引文

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