American Society for Testing and Materials. (1963). 1964 book of ASTM Standards: P.: 19, Gaseous Fuels; Coal and Coke (1a ed.). A.S.T.M.
Cita Chicago Style (17a ed.)American Society for Testing and Materials. 1964 Book of ASTM Standards: P.: 19, Gaseous Fuels; Coal and Coke. 1a ed. Philadelphia: A.S.T.M, 1963.
Cita MLA (9a ed.)American Society for Testing and Materials. 1964 Book of ASTM Standards: P.: 19, Gaseous Fuels; Coal and Coke. 1a ed. A.S.T.M, 1963.
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