Dyfyniad APA

Unknown. (2023). Progress Report of the Forest Research Institute for the year 1912-13 (Forest year). Superintendent Government Printing.

Dyfyniad Arddull Chicago

Unknown. Progress Report of the Forest Research Institute for the Year 1912-13 (Forest Year). Superintendent Government Printing, 2023.

Dyfyniad MLA

Unknown. Progress Report of the Forest Research Institute for the Year 1912-13 (Forest Year). Superintendent Government Printing, 2023.

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