Boissier, P. (2010). Understanding a nautical chart: : a practical guide to safe navigation. Wiley Nautical.
Dyfyniad Arddull ChicagoBoissier, Paul. Understanding a Nautical Chart: : A Practical Guide to Safe Navigation. UK: Wiley Nautical, 2010.
Dyfyniad MLABoissier, Paul. Understanding a Nautical Chart: : A Practical Guide to Safe Navigation. Wiley Nautical, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.