Accordingly, the development of the law of indigenous peoples should be based not only on sources of hard law, but also those of soft law, or even norms deriving from texts which are not of a mandatory nature.
因此，在制定土著人民的法律时，不仅要以硬性法律来源，而且要以软性法律来源，或甚至以来自不具强制性的案文的规范为基础。