Gaya APA

Encyclopedia Britannica, Inc.. (1962). A New Survey of Universal Knowledge , Encyclopedia Britannica - Volume 21 : Sordello to Textbooks . USA: William Benton, Publisher.

Gaya Chicago

Encyclopedia Britannica, Inc.. A New Survey of Universal Knowledge , Encyclopedia Britannica - Volume 21 : Sordello to Textbooks. USA: William Benton, Publisher, 1962. Text.

Gaya MLA

Encyclopedia Britannica, Inc.. A New Survey of Universal Knowledge , Encyclopedia Britannica - Volume 21 : Sordello to Textbooks. USA: William Benton, Publisher, 1962. Text.

Gaya Turabian

Encyclopedia Britannica, Inc.. A New Survey of Universal Knowledge , Encyclopedia Britannica - Volume 21 : Sordello to Textbooks. USA: William Benton, Publisher, 1962. Print.