McEntyre, John G.
Land survey systems
John Wiley & Sons, 1978
Buku Teks SO
List of maps
1880
Buku Teks SO
City maps
Endeavour, 2011
Buku Referensi
Butler, B.C.M.
Interpretation of geological maps
Longman Scientific & Technical , 1988
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Antique maps & Korea
Kyung Hee University, 2008
Buku Referensi