Dyfyniad APA
Ebbels, D. L. (2003). Principles of plant health and quarantine. CABI Pub..
Dyfyniad Arddull Chicago
Ebbels, D. L. Principles of Plant Health and Quarantine. Wallingford, OX, UK ; Cambridge, MA, USA: CABI Pub., 2003.
Dyfyniad MLA
Ebbels, D. L. Principles of Plant Health and Quarantine. CABI Pub., 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.