Cita APA (7th ed.)
Frost A. (1978). The principles and practice of navigation. Glasgow/ Brown,son & Ferguson.
Cita Chicago (17th ed.)
Frost A. The Principles and Practice of Navigation. New York: Glasgow/ Brown,son & Ferguson, 1978.
Cita MLA (9th ed.)
Frost A. The Principles and Practice of Navigation. Glasgow/ Brown,son & Ferguson, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.