Oller, J. W. (1983). Methods that work: A smorgasbord of ideas for languages teachers. Newbury House.
Citace podle Chicago (17th ed.)Oller, John W. Methods That Work: A Smorgasbord of Ideas for Languages Teachers. Rowley, Mass: Newbury House, 1983.
Citace podle MLA (9th ed.)Oller, John W. Methods That Work: A Smorgasbord of Ideas for Languages Teachers. Newbury House, 1983.
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