Westlake, D. E. (1977). Brothers keepers: Donald E. Westlake. Hodder and Stoughton.
Chicago Style aipamenaWestlake, Donald E. Brothers Keepers: Donald E. Westlake. London: Hodder and Stoughton, 1977.
MLA aipamenaWestlake, Donald E. Brothers Keepers: Donald E. Westlake. Hodder and Stoughton, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.