John Seymor, H. G. i. b. I. P. Blueprint for a green planet: Your practical guide to restoring the world-s environment. Dorling Kindersley.
Cita Chicago Style (17a ed.)John Seymor, Herbert Girardet illustrated by Ian Penney. Blueprint for a Green Planet: Your Practical Guide to Restoring the World-s Environment. Dorling Kindersley.
Cita MLA (8a ed.)John Seymor, Herbert Girardet illustrated by Ian Penney. Blueprint for a Green Planet: Your Practical Guide to Restoring the World-s Environment. Dorling Kindersley.
Precaución: Estas citas no son 100% exactas.