Cita APA (7a ed.)
Churchill, R. V. (1972). Operational mathematics (3rd ed.). Mc Graw -Hill.
Cita Chicago Style (17a ed.)
Churchill, Ruel V. Operational Mathematics. 3rd ed. Tokyo: Mc Graw -Hill, 1972.
Cita MLA (9a ed.)
Churchill, Ruel V. Operational Mathematics. 3rd ed. Mc Graw -Hill, 1972.
Precaución: Estas citas no son 100% exactas.