Haider, S. M. (1979). Public service: The new imperatives. Book House.
Chicago Style aipamenaHaider, S. M. Public Service: The New Imperatives. Lahore: Book House, 1979.
MLA aipamenaHaider, S. M. Public Service: The New Imperatives. Book House, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.