Crawley, A., & Ashby, M. (1994). Oxford elementary learner's dictionary (2nd ed.). Oxford University Press.
Cita Chicago Style (17a ed.)Crawley, Angela, y Michael Ashby. Oxford Elementary Learner's Dictionary. 2nd ed. Oxford: Oxford University Press, 1994.
Cita MLA (9a ed.)Crawley, Angela, y Michael Ashby. Oxford Elementary Learner's Dictionary. 2nd ed. Oxford University Press, 1994.
Precaución: Estas citas no son 100% exactas.