Wolter, M. S. &. C. (1984). Cambridge English course 1 practice book (disertai 4 kaset). Cambridge University Press.
Chicago Style (17th ed.) CitationWolter, Michael Swan & Catherine. Cambridge English Course 1 Practice Book (disertai 4 Kaset). Cambridge University Press, 1984.
MLA (8th ed.) CitationWolter, Michael Swan & Catherine. Cambridge English Course 1 Practice Book (disertai 4 Kaset). Cambridge University Press, 1984.
Warning: These citations may not always be 100% accurate.