Britannica book of the year. Encyclopaedia Britannica, Inc.
Chicago-Zitierstil (17. Ausg.)Britannica Book of the Year. Chicago, Ill.: Encyclopaedia Britannica, Inc.
MLA-Zitierstil (8. Ausg.)Britannica Book of the Year. Encyclopaedia Britannica, Inc.
警告：這些引文格式不一定是100％准確.