HUBBARD RON L. (2001). TOOL FOR THE WORK PLACE. NEW ERA PUB. CO. LTD.
Chicago Style (17th ed.) CitationHUBBARD RON L. TOOL FOR THE WORK PLACE. NEW ERA PUB. CO. LTD, 2001.
MLA引文HUBBARD RON L. TOOL FOR THE WORK PLACE. NEW ERA PUB. CO. LTD, 2001.
警告：這些引文格式不一定是100％准確.