Johnson, D. A., & Glenn, W. H. (1961). The world of measurement. Webster.
Chicago-čujuhus (17. p.)Johnson, Donovan A., juo William H. Glenn. The World of Measurement. Saint Louis: Webster, 1961.
MLA-čujuhus (9. p.)Johnson, Donovan A., juo William H. Glenn. The World of Measurement. Webster, 1961.
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