Kemp, J. F., & Young, P. (1962). Notes on compass work. Stanford maritime.
Dyfyniad Arddull ChicagoKemp, J F., and Peter Young. Notes on Compass Work. London: Stanford maritime, 1962.
Dyfyniad MLAKemp, J F., and Peter Young. Notes on Compass Work. Stanford maritime, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.