Denne & Cockcroft, A. N. (1979). Magnetic compass deviation and correction: A manual of the theory of the deviations and mechanical correction of magnetic compasses in ships (3rd ed.). Brown and Ferguson.
Chicago Style (17th ed.) CitationDenne and A. N. Cockcroft. Magnetic Compass Deviation and Correction: A Manual of the Theory of the Deviations and Mechanical Correction of Magnetic Compasses in Ships. 3rd ed. Glasgow: Brown and Ferguson, 1979.
MLA (8th ed.) CitationDenne and A. N. Cockcroft. Magnetic Compass Deviation and Correction: A Manual of the Theory of the Deviations and Mechanical Correction of Magnetic Compasses in Ships. 3rd ed. Brown and Ferguson, 1979.
Warning: These citations may not always be 100% accurate.