Dyfyniad APA

UNSPECIFIED, e. (2023). Erosion and land slips File no.261. UNSPECIFIED.

Dyfyniad Arddull Chicago

UNSPECIFIED, ed. Erosion and Land Slips File No.261. UNSPECIFIED, 2023.

Dyfyniad MLA

UNSPECIFIED, ed. Erosion and Land Slips File No.261. UNSPECIFIED, 2023.

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