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.
Citace podle Chicago (17th ed.)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.
Citace podle MLA (9th ed.)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.