Stern, H. H., Allen, P., & Harley, B. (1992). Issues and options in language teaching. Oxford University Press.
Chicago (17e ed.) BronvermeldingStern, H. H., Patrick Allen, en Birgit Harley. Issues and Options in Language Teaching. Oxford: Oxford University Press, 1992.
MLA (9e ed.) BronvermeldingStern, H. H., et al. Issues and Options in Language Teaching. Oxford University Press, 1992.
Let op: Deze citaties zijn niet altijd 100% accuraat.