Whelpley, D. A. (1961). Weather water and boating: :the small - craft sailor's guide to the weather. Cornell maritime press.
Dyfyniad Arddull ChicagoWhelpley, Donald A. Weather Water and Boating: :the Small - Craft Sailor's Guide to the Weather. U S A: Cornell maritime press, 1961.
Dyfyniad MLAWhelpley, Donald A. Weather Water and Boating: :the Small - Craft Sailor's Guide to the Weather. Cornell maritime press, 1961.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.