Ur, P. (1992). Five-minute activities: A resource book of short activities. Cambridge,New York: Cambridge University Press.
Styl cytowania ChicagoUr, Penny. Five-minute Activities: A Resource Book of Short Activities. Cambridge,New York: Cambridge University Press, 1992.
Styl cytowania MLAUr, Penny. Five-minute Activities: A Resource Book of Short Activities. Cambridge,New York: Cambridge University Press, 1992.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..