APA aipamena

William R Slager. (1966). English for today; T4: Our changing world. New York: McGraw-Hill.

Chicago Style aipamena

William R Slager. English for Today; T4: Our Changing World. New York: McGraw-Hill, 1966.

MLA aipamena

William R Slager. English for Today; T4: Our Changing World. New York: McGraw-Hill, 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.