Cita APA (7th ed.)

Tanka, J., & Baker, L. R. (2002). Interactions 2: Listening/speaking (4th ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Tanka, Judith, i Lida R. Baker. Interactions 2: Listening/speaking. 4th ed. New York: McGraw-Hill, 2002.

Cita MLA (8th ed.)

Tanka, Judith, i Lida R. Baker. Interactions 2: Listening/speaking. 4th ed. McGraw-Hill, 2002.