Dyfyniad APA

Campbell, R. M. (1971). Studies on the distribution and productivity of submerged fresh-water macrophytes.

Dyfyniad Arddull Chicago

Campbell, Robert M. Studies on the Distribution and Productivity of Submerged Fresh-water Macrophytes. 1971.

Dyfyniad MLA

Campbell, Robert M. Studies on the Distribution and Productivity of Submerged Fresh-water Macrophytes. 1971.

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