Cita APA (7th ed.)

Stern, H. H. (1992). Issues and options in language teaching. Oxford University Press.

Cita Chicago (17th ed.)

Stern, H. H. Issues and Options in Language Teaching. Londres: Oxford University Press, 1992.

Cita MLA (9th ed.)

Stern, H. H. Issues and Options in Language Teaching. Oxford University Press, 1992.