Dyfyniad APA

BALLAST, D. K. (1988). Architect's Handbook of formulas, tables, and mathe-matical calculations. Prentice Hall.

Dyfyniad Arddull Chicago

BALLAST, David Kent. Architect's Handbook of Formulas, Tables, and Mathe-matical Calculations. New Jersey: Prentice Hall, 1988.

Dyfyniad MLA

BALLAST, David Kent. Architect's Handbook of Formulas, Tables, and Mathe-matical Calculations. Prentice Hall, 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.