2001 BRITANNICA BOOK OF THE YEAR. (2001). 2001 britannica book of the year: Events of 2000. Encyclopaedia Britannica.
Cita Chicago (17th ed.)2001 BRITANNICA BOOK OF THE YEAR. 2001 Britannica Book of the Year: Events of 2000. Chicago: Encyclopaedia Britannica, 2001.
Cita MLA (9th ed.)2001 BRITANNICA BOOK OF THE YEAR. 2001 Britannica Book of the Year: Events of 2000. Encyclopaedia Britannica, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.