APA引文

Campbell, R. N. (1969). Insights into english structure: A programmed course. Englewood Cliffs, N.J: Prentice-Hall.

Trích dẫn kiểu Chicago

Campbell, Russell N. Insights Into English Structure: A Programmed Course. Englewood Cliffs, N.J: Prentice-Hall, 1969.

MLA引文

Campbell, Russell N. Insights Into English Structure: A Programmed Course. Englewood Cliffs, N.J: Prentice-Hall, 1969.

警告：這些引文格式不一定是100％准確.