Perkins, L. B., & Bordwell, R. (2010). Building type basics for elementary and secondary schools (2nd edition.). John Wiley & Sons.
Cita Chicago (17th ed.)Perkins, L. Bradford, i Raymond Bordwell. Building Type Basics for Elementary and Secondary Schools. 2nd edition. Hoboken, N.J.: John Wiley & Sons, 2010.
Cita MLA (8th ed.)Perkins, L. Bradford, i Raymond Bordwell. Building Type Basics for Elementary and Secondary Schools. 2nd edition. John Wiley & Sons, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.