APA

Thrush E. A., Baldwin R. J. & Blass L. (1993). Interactions access: a listening/speaking book. México: McGraw-Hill.

Chicago

Thrush Emily A, Baldwin Robert J and Blass Laurie. 1993. Interactions access: a listening/speaking book. México: McGraw-Hill.

Harvard

Thrush E. A., Baldwin R. J. and Blass L. (1993). Interactions access: a listening/speaking book. México: McGraw-Hill.

MLA

Thrush Emily A, Baldwin Robert J and Blass Laurie. Interactions access: a listening/speaking book. México: McGraw-Hill. 1993.