Cohen, A. (1971). The Phonems of english: A phonemic study of the vowels and consonants of standard english. Martinus Nijoff.
Citazione stile Chigago Style (17a edizione)Cohen, Antonie. The Phonems of English: A Phonemic Study of the Vowels and Consonants of Standard English. the Hague: Martinus Nijoff, 1971.
Citatione MLA (9a ed.)Cohen, Antonie. The Phonems of English: A Phonemic Study of the Vowels and Consonants of Standard English. Martinus Nijoff, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.