Cita APA

Nation, J. R. (1997). Research methods. Prentice Hall.

Citación estilo Chicago

Nation, Jack R. Research Methods. Upper Saddle River, N.J: Prentice Hall, 1997.

Cita MLA

Nation, Jack R. Research Methods. Prentice Hall, 1997.

Warning: These citations may not always be 100% accurate.