Hill, L. (1956). Further comprehension and precis pieces: For overseas students. Longman.
Chicago Style (17th ed.) ZitazioaHill, L.A. Further Comprehension and Precis Pieces: For Overseas Students. London: Longman, 1956.
MLA (9th ed.) ZitazioaHill, L.A. Further Comprehension and Precis Pieces: For Overseas Students. Longman, 1956.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.