Cita APA

Ur, P. (1989). Grammar practice activities: A practical guide for teachers. Univ. Pr.

Citación estilo Chicago

Ur, Penny. Grammar Practice Activities: A Practical Guide for Teachers. Cambridge: Univ. Pr, 1989.

Cita MLA

Ur, Penny. Grammar Practice Activities: A Practical Guide for Teachers. Univ. Pr, 1989.

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