Dyfyniad APA
Maxwell, S., & Yates, S. (2011). The future of water: A startling look ahead. American Water Works Association.
Dyfyniad Arddull Chicago
Maxwell, Steve, and Scott Yates. The Future of Water: A Startling Look Ahead. Denver, Colo.: American Water Works Association, 2011.
Dyfyniad MLA
Maxwell, Steve, and Scott Yates. The Future of Water: A Startling Look Ahead. American Water Works Association, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.