Dyfyniad APA

Boa, E. (2003). An illustrated guide to the state of health of trees: Recognition and interpretation of symptoms and damage. Rome, Italy: FAO.

Dyfyniad Arddull Chicago

Boa, Eric. An Illustrated Guide to the State of Health of Trees: Recognition and Interpretation of Symptoms and Damage. Rome, Italy: FAO, 2003.

Dyfyniad MLA

Boa, Eric. An Illustrated Guide to the State of Health of Trees: Recognition and Interpretation of Symptoms and Damage. Rome, Italy: FAO, 2003.

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