(1967). Better English pronunciation.
Trích dẫn kiểu ChicagoBetter English Pronunciation. 1967.
ציטוט MLABetter English Pronunciation. 1967.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
(1967). Better English pronunciation.
Trích dẫn kiểu ChicagoBetter English Pronunciation. 1967.
ציטוט MLABetter English Pronunciation. 1967.