APA aipamena

Tanka, J. (1990). Interactions I: A listening/speaking skills book. New York: McGraw-Hill.

Chicago Style aipamena

Tanka, Judith. Interactions I: A Listening/speaking Skills Book. New York: McGraw-Hill, 1990.

MLA aipamena

Tanka, Judith. Interactions I: A Listening/speaking Skills Book. New York: McGraw-Hill, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.