ROSENBERG, R. R., & ROSENBERG, R. R. (1959). A Text-workbook Business Exercises, Problems, And Test Mathematics R. Robert Rosenberg. McGraw-Hill.
Chicago-viite (17. p.)ROSENBERG, R. Robert, ja R. Robert ROSENBERG. A Text-workbook Business Exercises, Problems, And Test Mathematics R. Robert Rosenberg. McGraw-Hill, 1959.
MLA-viite (8. p.)ROSENBERG, R. Robert, ja R. Robert ROSENBERG. A Text-workbook Business Exercises, Problems, And Test Mathematics R. Robert Rosenberg. McGraw-Hill, 1959.
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