APA Style

HOVER, David. (1986). Think Twice ; Communication activities for beginner to intermediate students . New York: Cambridge University Press.

Chicago Style

HOVER, David. Think Twice ; Communication activities for beginner to intermediate students. New York: Cambridge University Press, 1986. Bahasa Inggris.

MLA Style

HOVER, David. Think Twice ; Communication activities for beginner to intermediate students. New York: Cambridge University Press, 1986. Bahasa Inggris.

Turabian Style

HOVER, David. Think Twice ; Communication activities for beginner to intermediate students. New York: Cambridge University Press, 1986. Bahasa Inggris.