WORLD COMMISSION ON ENVIRONMENT & DEVELOPMENT. (1987). OUR COMMON FUTURE. OXFORD UNIVERSITY PRESS.
Dyfyniad Arddull ChicagoWORLD COMMISSION ON ENVIRONMENT & DEVELOPMENT. OUR COMMON FUTURE. DELHI: OXFORD UNIVERSITY PRESS, 1987.
Dyfyniad MLAWORLD COMMISSION ON ENVIRONMENT & DEVELOPMENT. OUR COMMON FUTURE. OXFORD UNIVERSITY PRESS, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.