APA (7th ed.) Citation

Gower, R. (1993). Speaking upper-intermediate (disertai 1 kaset). Oxford University Press.

Chicago Style (17th ed.) Citation

Gower, Roger. Speaking Upper-intermediate (disertai 1 Kaset). Oxford University Press, 1993.

MLA (8th ed.) Citation

Gower, Roger. Speaking Upper-intermediate (disertai 1 Kaset). Oxford University Press, 1993.

Warning: These citations may not always be 100% accurate.