Gaya APA

BURCH, D. (2008). EMERGENCY NAVIGATION 2nd EDITION : Find yout position and shape your course at sea even if your instruments fail . USA :: MCGRAW HILL,.

Gaya MLA

BURCH, DAVID. "EMERGENCY NAVIGATION 2nd EDITION : Find yout position and shape your course at sea even if your instruments fail". USA :: MCGRAW HILL,, 2008. Monograf.