APA (7th ed.) Citation

Thornburg, D. W., & Henry, J. R. (2009). Significant changes to the International building code (2009 ed.). Delmar Cengage Learning.

Chicago Style (17th ed.) Citation

Thornburg, Douglas W., and John R. Henry. Significant Changes to the International Building Code. 2009 ed. Clifton Park, NY: Delmar Cengage Learning, 2009.

MLA (9th ed.) Citation

Thornburg, Douglas W., and John R. Henry. Significant Changes to the International Building Code. 2009 ed. Delmar Cengage Learning, 2009.