SEVI. 371/1579: Briefwisseling Toon Colpaert april 1991-december 1991.
Chicago Style (17th ed.) CitationSEVI. 371/1579: Briefwisseling Toon Colpaert April 1991-december 1991.
MLA引文SEVI. 371/1579: Briefwisseling Toon Colpaert April 1991-december 1991.
警告：這些引文格式不一定是100％准確.