Ballast, D. K. (1984). The architect's handbook. Prentice-Hall.
Cita Chicago (17th ed.)Ballast, David Kent. The Architect's Handbook. Englewood Cliffs, N.J: Prentice-Hall, 1984.
Cita MLA (9th ed.)Ballast, David Kent. The Architect's Handbook. Prentice-Hall, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.