Dyfyniad APA

Mayer, K. R. (2023). Forest resources of Liberia. United States Department of Agriculture, Washington D C.

Dyfyniad Arddull Chicago

Mayer, Karl R. Forest Resources of Liberia. United States Department of Agriculture, Washington D C, 2023.

Dyfyniad MLA

Mayer, Karl R. Forest Resources of Liberia. United States Department of Agriculture, Washington D C, 2023.

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