APA引文

Kroll, B. (1990). Second language writing: Research insights for the classroom. Cambridge University Press.

Chicago Style (17th ed.) Citation

Kroll, Barbara. Second Language Writing: Research Insights for the Classroom. Cambridge [England]: Cambridge University Press, 1990.

MLA引文

Kroll, Barbara. Second Language Writing: Research Insights for the Classroom. Cambridge University Press, 1990.