APA-referens (7:e uppl.)

Henderson, H. D., & Siddiqi, S. A. (1969). Analyses and improvement of a local plow. Faculty of Agricultural Sciences, American University of Beirut.

Chicago-referens (17:e uppl.)

Henderson, Hubert Douglas, och Sharif Ahmed Siddiqi. Analyses and Improvement of a Local Plow. Beirut: Faculty of Agricultural Sciences, American University of Beirut, 1969.

MLA-referens (8:e uppl.)

Henderson, Hubert Douglas, och Sharif Ahmed Siddiqi. Analyses and Improvement of a Local Plow. Faculty of Agricultural Sciences, American University of Beirut, 1969.