Haider, S. M. (1979). Public service: The new imperatives. Book House.
Lua i Stíl Chicago (17ú heag.)Haider, S. M. Public Service: The New Imperatives. Lahore: Book House, 1979.
Lua MLA (8ú heag.)Haider, S. M. Public Service: The New Imperatives. Book House, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.