Kirkpatrick, T. W. (1935). The climate and eco-climates of coffee plantations. East African Agricultural Research Station; The Crown Agents for the Colonies.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kirkpatrick, Thomas Winfrid. The Climate and Eco-climates of Coffee Plantations. Amani, London: East African Agricultural Research Station; The Crown Agents for the Colonies, 1935.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kirkpatrick, Thomas Winfrid. The Climate and Eco-climates of Coffee Plantations. East African Agricultural Research Station; The Crown Agents for the Colonies, 1935.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.