APA引文

Geel, R. C. v. (1983). Pitch inflection in electrolaryngeal speech. s.n..

Chicago Style (17th ed.) Citation

Geel, Robert Cornelius van. Pitch Inflection in Electrolaryngeal Speech. [Utrecht?: s.n., 1983.

MLA引文

Geel, Robert Cornelius van. Pitch Inflection in Electrolaryngeal Speech. s.n., 1983.

警告：這些引文格式不一定是100％准確.