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, , . The great ideas today, 1967. Chicago, London, Toronto, Geneva [etc.]: Encyclopaedia britannica; 1967.
, et . The great ideas today, 1967. Chicago, London, Toronto, Geneva [etc.] : Encyclopaedia britannica, 5 mai 1967
Hutchins Robert Maynard, Adler Mortimer Jerome, & Bird Otto. (1967). The great ideas today, 1967. Encyclopaedia britannica.
MLA (8th ed.) CitationHutchins Robert Maynard, et al. The Great Ideas Today, 1967. Encyclopaedia britannica, 1967.
Warning: These citations may not always be 100% accurate.