Rowse, A. L. (1971). The Later Churchills. Penguin.
Chicago Style (17th ed.) ZitazioaRowse, Alfred L. The Later Churchills. Middlesex: Penguin, 1971.
MLA (9th ed.) ZitazioaRowse, Alfred L. The Later Churchills. Penguin, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.