Lua APA (7ú heag.)

Ashley, R. H. (1918). Chemical calculations (2d ed., rev.). Van Nostrand.

Lua i Stíl Chicago (17ú heag.)

Ashley, Raymond Harman. Chemical Calculations. 2d ed., rev. New York: Van Nostrand, 1918.

Lua MLA (8ú heag.)

Ashley, Raymond Harman. Chemical Calculations. 2d ed., rev. Van Nostrand, 1918.

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