Dyfyniad APA

Haber, L. F. (1966). The nitrogen problem. Published for the Nuffield Foundation by the Longmans/ Penguin Books.

Dyfyniad Arddull Chicago

Haber, L. F. The Nitrogen Problem. London: Published for the Nuffield Foundation by the Longmans/ Penguin Books, 1966.

Dyfyniad MLA

Haber, L. F. The Nitrogen Problem. Published for the Nuffield Foundation by the Longmans/ Penguin Books, 1966.

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