Dyfyniad APA

Bowditch, N. (1958). American practical navigator: An epitome of navigation. U.S. Government Printing Office.

Dyfyniad Arddull Chicago

Bowditch, Nathaniel. American Practical Navigator: An Epitome of Navigation. Washington, D.C: U.S. Government Printing Office, 1958.

Dyfyniad MLA

Bowditch, Nathaniel. American Practical Navigator: An Epitome of Navigation. U.S. Government Printing Office, 1958.

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