吴肇元 & 马世元. (1991). 吉尼斯集邮世界之最: The Guinness book of stamps facts ＆ feats. 人民邮电出版社.
Chicago Style (17th ed.) Citation吴肇元 and 马世元. 吉尼斯集邮世界之最: The Guinness Book of Stamps Facts ＆ Feats. 人民邮电出版社, 1991.
MLA (8th ed.) Citation吴肇元 and 马世元. 吉尼斯集邮世界之最: The Guinness Book of Stamps Facts ＆ Feats. 人民邮电出版社, 1991.
Warning: These citations may not always be 100% accurate.