COVEY STEPHEN R. THE 7 HABITS OF HIGHLY EFFECTIVE PEOPLE.
Chicago Style (17th ed.) CitationCOVEY STEPHEN R. THE 7 HABITS OF HIGHLY EFFECTIVE PEOPLE.
MLA引文COVEY STEPHEN R. THE 7 HABITS OF HIGHLY EFFECTIVE PEOPLE.
警告：這些引文格式不一定是100％准確.
APA引文