WATCYN-JONES, P; HOWARD-WILLIAMS, D. 2001. Grammar: Games and activities. 1. [7th ed.]. Harlow: Penguin English.
Citace podle APA (7th ed.)Watcyn-Jones, P., & Howard-Williams, D. (2001). Grammar: Games and activities. 1 ([7th ed.].). Penguin English.
Citace podle Chicago (17th ed.)Watcyn-Jones, Peter, a Deirdre Howard-Williams. Grammar: Games and Activities. 1. [7th ed.]. Harlow: Penguin English, 2001.
Citace podle MLA (9th ed.)Watcyn-Jones, Peter, a Deirdre Howard-Williams. Grammar: Games and Activities. 1. [7th ed.]. Penguin English, 2001.
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