APA
Coal Reporter and Mineral News Special Number (1964), Coal Reporter and Mineral News Special Number (1964), . (1964). Fuels. : .
Chicago
Coal Reporter and Mineral News Special Number (1964), Coal Reporter and Mineral News Special Number (1964), . 1964. Fuels. : .
Harvard
Coal Reporter and Mineral News Special Number (1964), Coal Reporter and Mineral News Special Number (1964), . (1964). Fuels. : .
MLA
Coal Reporter and Mineral News Special Number (1964), Coal Reporter and Mineral News Special Number (1964), . Fuels. : . 1964.
