Burrow, W. (1985). Burrows textbook (2nd ed.). Saunders.
Chicago Style (17th ed.) ZitazioaBurrow, William. Burrows Textbook. 2nd ed. Tokyo: Saunders, 1985.
MLA (9th ed.) ZitazioaBurrow, William. Burrows Textbook. 2nd ed. Saunders, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.