Conference on the Functions of Living Plant Collections in Conservation and Conservation-Orientated Research and Public Education Kew, England, & Simmons, J. B. (1976). Conservation of threatened plants. Published in coordination with NATO Scientific Affairs Division by Plenum Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Conference on the Functions of Living Plant Collections in Conservation and Conservation-Orientated Research and Public Education Kew, England, και J. B. Simmons. Conservation of Threatened Plants. New York: Published in coordination with NATO Scientific Affairs Division by Plenum Press, 1976.
Παραπομπή σε μορφή MLA (8th εκδ.)Conference on the Functions of Living Plant Collections in Conservation and Conservation-Orientated Research and Public Education Kew, England, και J. B. Simmons. Conservation of Threatened Plants. Published in coordination with NATO Scientific Affairs Division by Plenum Press, 1976.
