ROBINSON, A., SALE, R., & MORRISON, J. (1978). Element of cartography.-- ed.4. John Wiley and Sons.
Chicago-čujuhus (17. p.)ROBINSON, Arthur, Randall SALE, juo Joel MORRISON. Element of Cartography.-- Ed.4. New York: John Wiley and Sons, 1978.
MLA-čujuhus (9. p.)ROBINSON, Arthur, et al. Element of Cartography.-- Ed.4. John Wiley and Sons, 1978.
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