Cita APA (7a ed.)

Ur, P. (2000). Teaching listening comprehension. Univ. Pr.

Cita Chicago Style (17a ed.)

Ur, Penny. Teaching Listening Comprehension. Cambridge: Univ. Pr, 2000.

Cita MLA (9a ed.)

Ur, Penny. Teaching Listening Comprehension. Univ. Pr, 2000.