Elkington, J., & Burke, T. (1987). The green capitalists: Industry's search for environmental excellence. V. Gollancz.
Citazione stile Chigago Style (17a edizione)Elkington, John, e Tom Burke. The Green Capitalists: Industry's Search for Environmental Excellence. London: V. Gollancz, 1987.
Citatione MLA (9a ed.)Elkington, John, e Tom Burke. The Green Capitalists: Industry's Search for Environmental Excellence. V. Gollancz, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.