Allsopp, D., Seal, K. J., & Gaylarde, C. C. (2004). Introduction to biodeterioration (2nd ed.). Cambridge University Press.
Dyfyniad Arddull ChicagoAllsopp, D., Kenneth J. Seal, and Christine C. Gaylarde. Introduction to Biodeterioration. 2nd ed. Cambridge ; New York: Cambridge University Press, 2004.
Dyfyniad MLAAllsopp, D., et al. Introduction to Biodeterioration. 2nd ed. Cambridge University Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.