Dyfyniad APA

Perkins, L. B., & Bordwell, R. (2010). Building type basics for elementary and secondary schools (2nd edition.). John Wiley & Sons.

Dyfyniad Arddull Chicago

Perkins, L. Bradford, and Raymond Bordwell. Building Type Basics for Elementary and Secondary Schools. 2nd edition. Hoboken, N.J.: John Wiley & Sons, 2010.

Dyfyniad MLA

Perkins, L. Bradford, and Raymond Bordwell. Building Type Basics for Elementary and Secondary Schools. 2nd edition. John Wiley & Sons, 2010.

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