Dyfyniad APA

Toyne, E. P., & Ostroznik, H. (1997). Notes on Northern Goshawks nesting in an abandoned heronry in Wales. Zenodo.

Dyfyniad Arddull Chicago

Toyne, E. P., and H. Ostroznik. Notes on Northern Goshawks Nesting in an Abandoned Heronry in Wales. Zenodo, 1997.

Dyfyniad MLA

Toyne, E. P., and H. Ostroznik. Notes on Northern Goshawks Nesting in an Abandoned Heronry in Wales. Zenodo, 1997.

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