APA-čujuhus (7. p.)
Ur, P. A Course in Language Teaching: Practice and Theory. Cambridge University.
Chicago-čujuhus (17. p.)
Ur, Penny. A Course in Language Teaching: Practice and Theory. Cambridge, Inglaterra: Cambridge University.
MLA-čujuhus (9. p.)
Ur, Penny. A Course in Language Teaching: Practice and Theory. Cambridge University.
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