Maling, D. (1973). Coordinate Systems and Map Projections. George Philip and Son Limited.
Tohutoru Kātū Chicago (17th ed.)Maling, D.H. Coordinate Systems and Map Projections. London: George Philip and Son Limited, 1973.
Tohutoro MLA (9th ed.)Maling, D.H. Coordinate Systems and Map Projections. George Philip and Son Limited, 1973.
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