Tanka, J. (1990). Interactions I: A listening/speaking skills book. New York: McGraw-Hill.
Chicago-stil citatTanka, Judith. Interactions I: A Listening/speaking Skills Book. New York: McGraw-Hill, 1990.
MLA-referensTanka, Judith. Interactions I: A Listening/speaking Skills Book. New York: McGraw-Hill, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.