Dyfyniad APA

Pattison, A. (1966). Hunter Valley drought, 1964-1965. Hunter Valley Research Foundation.

Dyfyniad Arddull Chicago

Pattison, Allan. Hunter Valley Drought, 1964-1965. Newcastle, N.S.W.: Hunter Valley Research Foundation, 1966.

Dyfyniad MLA

Pattison, Allan. Hunter Valley Drought, 1964-1965. Hunter Valley Research Foundation, 1966.

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