Thormann Lisa, Buchspies Benedikt, Mbohwa Charles, Kaltschmitt Martin, & MDPI. PGE Production in Southern Africa, Part I, Production and Market Trends.
Chicago-čujuhus (17. p.)Thormann Lisa, Buchspies Benedikt, Mbohwa Charles, Kaltschmitt Martin, juo MDPI. PGE Production in Southern Africa, Part I, Production and Market Trends.
MLA-čujuhus (9. p.)Thormann Lisa, et al. PGE Production in Southern Africa, Part I, Production and Market Trends.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.