Paul Roberts. (1964). English syntax: A book of programmed lessons. New York: Harcourt, Brace and World.
Chicago ZitierstilPaul Roberts. English Syntax: A Book of Programmed Lessons. New York: Harcourt, Brace and World, 1964.
MLA ZitierstilPaul Roberts. English Syntax: A Book of Programmed Lessons. New York: Harcourt, Brace and World, 1964.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.