Gem citationer
APA (7th ed.) Citation
Wallis Hellen M. & Robinson Arthur Howard. (1987). Cartographical innovations. International Cartographic Association.
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Chicago Style (17th ed.) Citation
Wallis Hellen M. and Robinson Arthur Howard. Cartographical Innovations. International Cartographic Association, 1987.
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MLA (9th ed.) Citation
Wallis Hellen M. and Robinson Arthur Howard. Cartographical Innovations. International Cartographic Association, 1987.
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