Cita APA

Palmer, H. E. (1968). The scientific study and teaching of languages. Oxford U.P..

Citación estilo Chicago

Palmer, Harold E. The Scientific Study and Teaching of Languages. London: Oxford U.P., 1968.

Cita MLA

Palmer, Harold E. The Scientific Study and Teaching of Languages. Oxford U.P., 1968.

Warning: These citations may not always be 100% accurate.