Kourik, R. (2009). Drip irrigation for every landscape and all climates: Helping your garden flourish while conserving water! : outwit droughts with expert guidance (2nd ed.). Metamorphic Press ; Distributed by Chelsea Green Publications.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kourik, Robert. Drip Irrigation for Every Landscape and All Climates: Helping Your Garden Flourish While Conserving Water! : Outwit Droughts with Expert Guidance. 2nd ed. [Occidental, Calif.] : White River Junction, Vt.: Metamorphic Press ; Distributed by Chelsea Green Publications, 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kourik, Robert. Drip Irrigation for Every Landscape and All Climates: Helping Your Garden Flourish While Conserving Water! : Outwit Droughts with Expert Guidance. 2nd ed. Metamorphic Press ; Distributed by Chelsea Green Publications, 2009.