STUDY GUIDE FOR MODERN REFRIGERATION AND AIR CONDITIONING
ANDREW D.ALTHOUSE CARL H.TURNQUIST ALFRED F.BRACCIANO1996 年出版200 页ISBN:1566373018
INTERNET COMMERCE:DIGITAL MODELS FOR BUSINESS 2ND EDITION
ELAINE LAWRENCE BRIAN CORBITT2000 年出版344 页ISBN:0471341673