Ferguson, M. (1999). GPS Land Navigation - A Complete Guidebook for Backcoubtry Users of The NAVSTAR Satellite System. Glassford Publishing.
Chicago Style (17th ed.) CitationFerguson, Michael. GPS Land Navigation - A Complete Guidebook for Backcoubtry Users of The NAVSTAR Satellite System. Glassford Publishing, 1999.
MLA (8th ed.) CitationFerguson, Michael. GPS Land Navigation - A Complete Guidebook for Backcoubtry Users of The NAVSTAR Satellite System. Glassford Publishing, 1999.
Warning: These citations may not always be 100% accurate.