Citace podle APA (7th ed.)

Doughty, C. J., & Williams, J. (1998). Focus on form in classroom second language acquisition. Cambridge University.

Citace podle Chicago (17th ed.)

Doughty, Catherine J., a Jessica Williams. Focus on Form in Classroom Second Language Acquisition. Nueva York: Cambridge University, 1998.

Citace podle MLA (9th ed.)

Doughty, Catherine J., a Jessica Williams. Focus on Form in Classroom Second Language Acquisition. Cambridge University, 1998.

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