SPEAR, P. (1958). India, Pakistan, And The West Percival Spear. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)SPEAR, Percival. India, Pakistan, And The West Percival Spear. Oxford University Press, 1958.
Lua MLA (8ú heag.)SPEAR, Percival. India, Pakistan, And The West Percival Spear. Oxford University Press, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.