Henderson, H. D., & Siddiqi, S. A. (1969). Analyses and improvement of a local plow. Faculty of Agricultural Sciences, American University of Beirut.
Lua i Stíl Chicago (17ú heag.)Henderson, Hubert Douglas, agus Sharif Ahmed Siddiqi. Analyses and Improvement of a Local Plow. Beirut: Faculty of Agricultural Sciences, American University of Beirut, 1969.
Lua MLA (8ú heag.)Henderson, Hubert Douglas, agus Sharif Ahmed Siddiqi. Analyses and Improvement of a Local Plow. Faculty of Agricultural Sciences, American University of Beirut, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.