Allen, J. P. B., & Widdowson, H. G. (1974). English in physical science. Oxford University Press.
Cita Chicago Style (17a ed.)Allen, J. P. B., y H. G. Widdowson. English in Physical Science. London: Oxford University Press, 1974.
Cita MLA (8a ed.)Allen, J. P. B., y H. G. Widdowson. English in Physical Science. Oxford University Press, 1974.
Precaución: Estas citas no son 100% exactas.