CONSUMER LAW FOR THE SMALL BUSINESS
PATRICIA CLAYTON1983 年出版160 页ISBN:0850386489
PATTY'S INDUSTRIAL HYGIENE AND TOXICOLOGY FOURTH EDITION
GEORGE D.CLAYTON FLORENCE E.CLAYTON1994 年出版5045 页ISBN:
(美)Murray Stokely,(美)Nik Clayton著;张纪青译2002 年出版442 页ISBN:7115105413