APA (7. basım) Alıntı

Gilbert, J. B. Clear speech. Pronunciation and listening comprehension in american english. Student´s book (4a ed.).

Chicago Style (17. basım) Atıf

Gilbert, Judy B. Clear Speech. Pronunciation and Listening Comprehension in American English. Student´s Book. 4a ed.

MLA (8th ed.) Atıf

Gilbert, Judy B. Clear Speech. Pronunciation and Listening Comprehension in American English. Student´s Book. 4a ed.