Dyfyniad APA

Fuginski, Z. (2021). Underground coal minig - global picture and brief overview.

Dyfyniad Arddull Chicago

Fuginski, Zygmunt. Underground Coal Minig - Global Picture and Brief Overview. 2021.

Dyfyniad MLA

Fuginski, Zygmunt. Underground Coal Minig - Global Picture and Brief Overview. 2021.

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