National Fire Protection Association, Cote, A. E., Hall, J. R., Powell, P., Grant, C. C., & Solomon, R. E. (2008). Fire protection handbook (20th ed.). National Fire Protection Association.

National Fire Protection Association, Arthur E. Cote, John Raymond Hall, Pam Powell, Casey C. Grant, and Robert E. Solomon. Fire Protection Handbook. 20th ed. Quincy, Mass.: National Fire Protection Association, 2008.

National Fire Protection Association, et al. Fire Protection Handbook. 20th ed. National Fire Protection Association, 2008.