Singh, S. (1995). Favourite agroforestry trees. Agrotech Publishing Academy.
Lua i Stíl Chicago (17ú heag.)Singh, S.P. Favourite Agroforestry Trees. Udaipur: Agrotech Publishing Academy, 1995.
Lua MLA (9ú heag.)Singh, S.P. Favourite Agroforestry Trees. Agrotech Publishing Academy, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.