Surveys, 4. D. o. C. (1949). Falkland Island Dependencies South Shetland and Grahan Land: [Material cartográfico]. London : Directorate of Colonial Surveys.
Chicago Style (17th ed.) CitationSurveys, 45332 Directorate of Colonial. Falkland Island Dependencies South Shetland and Grahan Land: [Material Cartográfico]. London : Directorate of Colonial Surveys, 1949.
MLA (8th ed.) CitationSurveys, 45332 Directorate of Colonial. Falkland Island Dependencies South Shetland and Grahan Land: [Material Cartográfico]. London : Directorate of Colonial Surveys, 1949.
IICA/CATIE CitationSurveys, 4. D. o. C. 1949. Falkland Island Dependencies South Shetland and Grahan Land: [Material cartográfico]. London : Directorate of Colonial Surveys.