Gaya APA
Ur, P., Williams, M. (1996).
A Course in Language Teaching: Practice and Theory (Cet. 1.--).
New York:
Cambridge University Press.
Gaya MLA
Ur, Penny., Williams, Marion.
"A Course in Language Teaching: Practice and Theory".
Cet. 1.--
New York:
Cambridge University Press,
1996.
Text.