Powell, P., Sneed, M., & Hall, R. (1997). Fire and life safety educator (2nd ed.). Fire Protection Publications, Oklahoma State University.
Dyfyniad Arddull ChicagoPowell, Pam, Marsha Sneed, and Richard Hall. Fire and Life Safety Educator. 2nd ed. [Stillwater, OK]: Fire Protection Publications, Oklahoma State University, 1997.
Dyfyniad MLAPowell, Pam, et al. Fire and Life Safety Educator. 2nd ed. Fire Protection Publications, Oklahoma State University, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.