Thormann Lisa, Buchspies Benedikt, Mbohwa Charles, Kaltschmitt Martin, & MDPI. PGE Production in Southern Africa, Part I, Production and Market Trends.
Čikaški stil citiranja (17. izdanje)Thormann Lisa, Buchspies Benedikt, Mbohwa Charles, Kaltschmitt Martin, i MDPI. PGE Production in Southern Africa, Part I, Production and Market Trends.
MLA način citiranja (9. izdanje)Thormann Lisa, et al. PGE Production in Southern Africa, Part I, Production and Market Trends.
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