Ur, P., & Wright, A. (1992). Five - minute activities: A resource book of short activities. Cambridge: Cambridge University.
Chicago Style aipamenaUr, Penny, và Andrew Wright. Five - Minute Activities: A Resource Book of Short Activities. Cambridge: Cambridge University, 1992.
MLA aipamenaUr, Penny, và Andrew Wright. Five - Minute Activities: A Resource Book of Short Activities. Cambridge: Cambridge University, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.