(1996). Land, food and people: Chanllenges for future food supply, agricultural development and the environment. United Kingdom: The royal agricultural college.
استشهاد بنمط شيكاغوLand, Food and People: Chanllenges for Future Food Supply, Agricultural Development and the Environment. United Kingdom: The royal agricultural college, 1996.
MLA استشهادLand, Food and People: Chanllenges for Future Food Supply, Agricultural Development and the Environment. United Kingdom: The royal agricultural college, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.