Reader's Digest Association. (1966). Reader's digest ... almanac and yearbook. Reader`s Digest Association.
Citace podle Chicago (17th ed.)Reader's Digest Association. Reader's Digest ... Almanac and Yearbook. Pleasantville, N.Y: Reader`s Digest Association, 1966.
Citace podle MLA (9th ed.)Reader's Digest Association. Reader's Digest ... Almanac and Yearbook. Reader`s Digest Association, 1966.
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