Bradbear, N. (2009). Bees and their role in forest livelihood: A guide to the services provided by bees and the sustainable harvesting, processing and marketing of their products. Food and Agriculture Organization of the United Nations.
Παραπομπή σε μορφή Chicago (17η εκδ.)Bradbear, Nicola. Bees and Their Role in Forest Livelihood: A Guide to the Services Provided by Bees and the Sustainable Harvesting, Processing and Marketing of Their Products. Rome: Food and Agriculture Organization of the United Nations, 2009.
Παραπομπή σε μορφή MLA (9th εκδ.)Bradbear, Nicola. Bees and Their Role in Forest Livelihood: A Guide to the Services Provided by Bees and the Sustainable Harvesting, Processing and Marketing of Their Products. Food and Agriculture Organization of the United Nations, 2009.