APA引文

391705 Langan, J. (1985). English skills. New York : McGraw-Hill.

Chicago Style (17th ed.) Citation

391705 Langan, John. English Skills. New York : McGraw-Hill, 1985.

MLA引文

391705 Langan, John. English Skills. New York : McGraw-Hill, 1985.

警告：這些引文格式不一定是100％准確.