BASAK.N.N. SURVEYING & LEVELLING. MC-GRAW HILL.
Chicago-čujuhus (17. p.)BASAK.N.N. SURVEYING & LEVELLING. NEW DELHI: MC-GRAW HILL.
MLA-čujuhus (9. p.)BASAK.N.N. SURVEYING & LEVELLING. MC-GRAW HILL.
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