SCHOFIELD, W. (1978). Engineering Surveying Theory And Examination Problems For Students W. Schofield. Newnes Buttrwoths.
Chicago-viite (17. p.)SCHOFIELD, W. Engineering Surveying Theory And Examination Problems For Students W. Schofield. Newnes Buttrwoths, 1978.
MLA-viite (8. p.)SCHOFIELD, W. Engineering Surveying Theory And Examination Problems For Students W. Schofield. Newnes Buttrwoths, 1978.
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