Havlik, H. F. (1938). Service charges in gas and electric rates. Columbia University Press.
Cita Chicago Style (17a ed.)Havlik, Hubert Frank. Service Charges in Gas and Electric Rates. New York: Columbia University Press, 1938.
Cita MLA (8a ed.)Havlik, Hubert Frank. Service Charges in Gas and Electric Rates. Columbia University Press, 1938.
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