Li, F., Huang, Z., Wang, X., Liu, X., Liu, W., Cai, Z., . . . Zhang, D. (2022). Geochemical Characteristics of Graptolite Shale in the Pingliang Formation of the Ordos Basin, China. Energies, 15(21), 8238. https://doi.org/10.3390/en15218238
Chicago-referens (17:e uppl.)Li, Fengjiao, Zhengliang Huang, Xiaofeng Wang, Xiaofeng Liu, Wenhui Liu, Zhenghong Cai, Houyong Luo, Qingtao Wang, och Dongdong Zhang. "Geochemical Characteristics of Graptolite Shale in the Pingliang Formation of the Ordos Basin, China." Energies 15, no. 21 (2022): 8238. https://doi.org/10.3390/en15218238.
MLA-referens (9:e uppl.)Li, Fengjiao, et al. "Geochemical Characteristics of Graptolite Shale in the Pingliang Formation of the Ordos Basin, China." Energies, vol. 15, no. 21, 2022, p. 8238, https://doi.org/10.3390/en15218238.
