Ling, D. (1978). Cumulative record of speech skill acquisition. Washington, D.C: Alexander Graham Bell.
Trích dẫn kiểu ChicagoLing, Daniel. Cumulative Record of Speech Skill Acquisition. Washington, D.C: Alexander Graham Bell, 1978.
ציטוט MLALing, Daniel. Cumulative Record of Speech Skill Acquisition. Washington, D.C: Alexander Graham Bell, 1978.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.