Cita APA

Wallwork. Adrian, & Sheard, N. (2001). International express: Upper-intermediate. Teacher's Resource Book with photocopiable materials. Oxford: Oxford Univ. Press.

Citación estilo Chicago

Wallwork. Adrian, y Nicholas Sheard. International Express: Upper-intermediate. Teacher's Resource Book With Photocopiable Materials. Oxford: Oxford Univ. Press, 2001.

Cita MLA

Wallwork. Adrian, y Nicholas Sheard. International Express: Upper-intermediate. Teacher's Resource Book With Photocopiable Materials. Oxford: Oxford Univ. Press, 2001.