Bengtsson, L. (1988). Farm structures in tropical climates. Rome: PAO ( Food and agriculture organization of the United Nations.
استشهاد بنمط شيكاغوBengtsson, Lennart. Farm Structures in Tropical Climates. Rome: PAO ( Food and agriculture organization of the United Nations, 1988.
MLA استشهادBengtsson, Lennart. Farm Structures in Tropical Climates. Rome: PAO ( Food and agriculture organization of the United Nations, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.