Dyfyniad APA

Allsopp, D., & Seal, K. J. (1986). Introduction to biodeterioration.

Dyfyniad Arddull Chicago

Allsopp, Dennis, and Kenneth J. Seal. Introduction to Biodeterioration. London, Edward Arnold, 1986.

Dyfyniad MLA

Allsopp, Dennis, and Kenneth J. Seal. Introduction to Biodeterioration. 1986.

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