Natural Gasoline Supply Men's Association, & Natural Gasoline Supply Men's Association. (1957). Engineering data book (7. edition.). Tulsa, Okla.
Citación estilo ChicagoNatural Gasoline Supply Men's Association, y Natural Gasoline Supply Men's Association. Engineering Data Book. 7. edition. Tulsa, Okla, 1957.
Cita MLANatural Gasoline Supply Men's Association, y Natural Gasoline Supply Men's Association. Engineering Data Book. 7. edition. Tulsa, Okla, 1957.
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