Hänvisningar gällande denna post

APA-referens (7:e uppl.)
Estados Unidos Department of the Navy Hydrographic Office. (1922). General catalogue of mariners' charts and books. Government Printing Office.
Chicago-referens (17:e uppl.)
Estados Unidos Department of the Navy Hydrographic Office. General Catalogue of Mariners' Charts and Books. Government Printing Office, 1922.
MLA-referens (9:e uppl.)
Estados Unidos Department of the Navy Hydrographic Office. General Catalogue of Mariners' Charts and Books. Government Printing Office, 1922.
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