APA

Tanka J., Most P., . (1996). A listening/speaking skills book. México: McGraw-Hill.

Chicago

Tanka Judith, Most Paul, . 1996. A listening/speaking skills book. México: McGraw-Hill.

Harvard

Tanka J., Most P., . (1996). A listening/speaking skills book. México: McGraw-Hill.

MLA

Tanka Judith, Most Paul, . A listening/speaking skills book. México: McGraw-Hill. 1996.