APA
(2012). Encyclopaedia britannica 2012 book of the year. New Delhi: Encyclopaedia Britannica Inc.
Chicago
2012. Encyclopaedia britannica 2012 book of the year. New Delhi: Encyclopaedia Britannica Inc.
Harvard
(2012). Encyclopaedia britannica 2012 book of the year. New Delhi: Encyclopaedia Britannica Inc.
MLA
Encyclopaedia britannica 2012 book of the year. New Delhi: Encyclopaedia Britannica Inc. 2012.
