Ricks, G. (1992). Landscape plant manual for Saudi Arabia. Jeddah, Saudi Arabia: Scientific Publishing Centre, King Abdulaziz University.
استشهاد بنمط شيكاغوRicks, Geoff. Landscape Plant Manual for Saudi Arabia. Jeddah, Saudi Arabia: Scientific Publishing Centre, King Abdulaziz University, 1992.
MLA استشهادRicks, Geoff. Landscape Plant Manual for Saudi Arabia. Jeddah, Saudi Arabia: Scientific Publishing Centre, King Abdulaziz University, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.