Maurer, J. (2000). Focus on grammar: An advanced course for reference and practice (2a. ed.). Pearson Education.
Citace podle Chicago (17th ed.)Maurer, Jay. Focus on Grammar: An Advanced Course for Reference and Practice. 2a. ed. Nueva York: Pearson Education, 2000.
Citace podle MLA (9th ed.)Maurer, Jay. Focus on Grammar: An Advanced Course for Reference and Practice. 2a. ed. Pearson Education, 2000.
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