Dyfyniad APA

Institut National de la recherche agronomique, Perrin, R., & Sutherland, J. R. (1993). Diseases and insects in Forest Nurseries: Proc of the simposium, Dijon, 3-10 octouber 1993.

Dyfyniad Arddull Chicago

Institut National de la recherche agronomique, R. Perrin, and J. R. Sutherland. Diseases and Insects in Forest Nurseries: Proc of the Simposium, Dijon, 3-10 Octouber 1993. 1993.

Dyfyniad MLA

Institut National de la recherche agronomique, et al. Diseases and Insects in Forest Nurseries: Proc of the Simposium, Dijon, 3-10 Octouber 1993. 1993.

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