ASTIN, A. W. (1991). Four critical years. Jossey Bass.
Chicago Style (17th ed.) CitationASTIN, Alexander W. Four Critical Years. Jossey Bass, 1991.
MLA引文ASTIN, Alexander W. Four Critical Years. Jossey Bass, 1991.
警告：這些引文格式不一定是100％准確.
APA引文