Gaya APA
COTTER, C, H. (1992).
THE ELEMENTS OF NAVIGATION AND NAUTICAL ASTRONOMY: A TEXT-BOOK OF NAVIGATIONAND NAUTICAL ASTRONOMY .
GREAT BRITAIN:
BROWN,SON&FERGUSON LIMITED.
Gaya MLA
COTTER, CHARLES, H..
"THE ELEMENTS OF NAVIGATION AND NAUTICAL ASTRONOMY: A TEXT-BOOK OF NAVIGATIONAND NAUTICAL ASTRONOMY".
GREAT BRITAIN:
BROWN,SON&FERGUSON LIMITED,
1992.
Text.