Deismireacht APA

Britannica, E. (1972). Britannica year book of science and the future. U.S.A.

Chicago Edition Citation

Britannica, Encyclopaedia. Britannica Year Book of Science and the Future. Chicago: U.S.A, 1972.

Deismireacht MLA

Britannica, Encyclopaedia. Britannica Year Book of Science and the Future. U.S.A, 1972.

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