APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

Palmer, Harold E. The Scientific Study and Teaching of Languages. London, England: Oxford University Press, 1968.

MLA (9th ed.) Atıf

Palmer, Harold E. The Scientific Study and Teaching of Languages. Oxford University Press, 1968.