APA引文

GOWER, R. (1993). Speaking upper - intermediate. Oxford University Press.

Chicago Style (17th ed.) Citation

GOWER, Roger. Speaking Upper - Intermediate. Oxford: Oxford University Press, 1993.

MLA引文

GOWER, Roger. Speaking Upper - Intermediate. Oxford University Press, 1993.

警告：這些引文格式不一定是100％准確.