Haas, P., & Hill, T. G. (1917). An introduction to the chemistry of plant products (2d ed.). Longmans, Green and Co..
Dyfyniad Arddull ChicagoHaas, Paul, and Thomas George Hill. An Introduction to the Chemistry of Plant Products. 2d ed. London : New York [etc.]: Longmans, Green and Co., 1917.
Dyfyniad MLAHaas, Paul, and Thomas George Hill. An Introduction to the Chemistry of Plant Products. 2d ed. Longmans, Green and Co., 1917.
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