Gaya APA

Richards, Jack C.. (1990). Listen Carefully . Oxford: Oxford University Press.

Gaya Chicago

Richards, Jack C.. Listen Carefully. Oxford: Oxford University Press, 1990. .

Gaya MLA

Richards, Jack C.. Listen Carefully. Oxford: Oxford University Press, 1990. .

Gaya Turabian

Richards, Jack C.. Listen Carefully. Oxford: Oxford University Press, 1990. .