Paul Roberts. (1964). English syntax: A book of programmed lessons. New York: Harcourt, Brace and World.
Trích dẫn kiểu ChicagoPaul Roberts. English Syntax: A Book of Programmed Lessons. New York: Harcourt, Brace and World, 1964.
MLA引文Paul Roberts. English Syntax: A Book of Programmed Lessons. New York: Harcourt, Brace and World, 1964.
警告:這些引文格式不一定是100%准確.