Ballast, D. K. (1988). Architect's handbook of formulas, tables, and mathematical calculations (Second edition.). Prentice Hall, Business & Professional Division.
Cita Chicago Style (17a ed.)Ballast, David Kent. Architect's Handbook of Formulas, Tables, and Mathematical Calculations. Second edition. Englewood Cliffs, N.J.: Prentice Hall, Business & Professional Division, 1988.
Cita MLA (9a ed.)Ballast, David Kent. Architect's Handbook of Formulas, Tables, and Mathematical Calculations. Second edition. Prentice Hall, Business & Professional Division, 1988.
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