Cita APA (7th ed.)
Hockett, C. F. (1951). Progressive exercises in Chinese pronunciation. Far Eastern Publications, Yale University.
Cita Chicago (17th ed.)
Hockett, Charles F. Progressive Exercises in Chinese Pronunciation. New Haven: Far Eastern Publications, Yale University, 1951.
Cita MLA (9th ed.)
Hockett, Charles F. Progressive Exercises in Chinese Pronunciation. Far Eastern Publications, Yale University, 1951.
Atenció: Aquestes cites poden no estar 100% correctes.