Blewitt, M. (1971). Celestial navigation for yachtsmen (5th ed.). Edward.
Čikaški stil citiranjaBlewitt, Mary. Celestial Navigation for Yachtsmen. 5th ed. London: Edward, 1971.
MLA način citiranjaBlewitt, Mary. Celestial Navigation for Yachtsmen. 5th ed. Edward, 1971.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.