Cortina, R. D. d. l. (1951). French in 20 lessons, illustrated, intended for self-study and for use in schools ; with a new system of phonetic pronounciation to enable the student to speak correct French (76th ed., completely rev.). R.D. Cortina.
Chicago Style (17th ed.) CitationCortina, Rafael Diez de la. French in 20 Lessons, Illustrated, Intended for Self-study and for Use in Schools ; with a New System of Phonetic Pronounciation to Enable the Student to Speak Correct French. 76th ed., completely rev. New York: R.D. Cortina, 1951.
MLA (9th ed.) CitationCortina, Rafael Diez de la. French in 20 Lessons, Illustrated, Intended for Self-study and for Use in Schools ; with a New System of Phonetic Pronounciation to Enable the Student to Speak Correct French. 76th ed., completely rev. R.D. Cortina, 1951.