Warren, A. H. (1921). The Warren tables for estimating the per cent sugar in cane from the polarization and apparent purity of the first expressed juice. Sugar News Press.
Lua i Stíl Chicago (17ú heag.)Warren, Arnold H. The Warren Tables for Estimating the Per Cent Sugar in Cane from the Polarization and Apparent Purity of the First Expressed Juice. Manila: Sugar News Press, 1921.
Lua MLA (9ú heag.)Warren, Arnold H. The Warren Tables for Estimating the Per Cent Sugar in Cane from the Polarization and Apparent Purity of the First Expressed Juice. Sugar News Press, 1921.
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