Longacre, R. F. (1973). Grammar discovery procedures: A field manual. Mouton.
芝加哥风格引文Longacre, Robert F. Grammar Discovery Procedures: A Field Manual. The Hague ; Paris: Mouton, 1973.
MLA引文Longacre, Robert F. Grammar Discovery Procedures: A Field Manual. Mouton, 1973.
警告：这些引文格式不一定是100％准确.