Dyfyniad APA

398108 Nicholls, A. E., & Cockcroft, A. N. (1983). Nicholls's seamanship and nautical knowledge. Glasgow : Brown and Ferguson.

Dyfyniad Arddull Chicago

398108 Nicholls, Alfred Edward, and A. N. Cockcroft. Nicholls's Seamanship and Nautical Knowledge. Glasgow : Brown and Ferguson, 1983.

Dyfyniad MLA

398108 Nicholls, Alfred Edward, and A. N. Cockcroft. Nicholls's Seamanship and Nautical Knowledge. Glasgow : Brown and Ferguson, 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.