Wyon, J. B., & Gordon, J. E. (1971). The Khanna study: Population problems in the rural Punjab. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Wyon, J. B., agus John Everett Gordon. The Khanna Study: Population Problems in the Rural Punjab. Cambridge, Mass.: Harvard University Press, 1971.
Lua MLA (8ú heag.)Wyon, J. B., agus John Everett Gordon. The Khanna Study: Population Problems in the Rural Punjab. Harvard University Press, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.