APA

R. Baker L., . (2003). Interactions 1: Integrated skills edition. Low intermediate. Estados Unidos: McGraw Hill.

Chicago

R. Baker Linda, . 2003. Interactions 1: Integrated skills edition. Low intermediate. Estados Unidos: McGraw Hill.

Harvard

R. Baker L., . (2003). Interactions 1: Integrated skills edition. Low intermediate. Estados Unidos: McGraw Hill.

MLA

R. Baker Linda, . Interactions 1: Integrated skills edition. Low intermediate. Estados Unidos: McGraw Hill. 2003.