Sinotech Engineering Consultants. (1985). Feasibility study WPP/SKP XIX c/C Nanga Mau: Final report. Sinotech Engineering Consultants, Inc. in association with P.T. Nasuma Putra Consulting Engineers.
Chicago-referens (17:e uppl.)Sinotech Engineering Consultants. Feasibility Study WPP/SKP XIX C/C Nanga Mau: Final Report. [Pontianak?]: Sinotech Engineering Consultants, Inc. in association with P.T. Nasuma Putra Consulting Engineers, 1985.
MLA-referens (8:e uppl.)Sinotech Engineering Consultants. Feasibility Study WPP/SKP XIX C/C Nanga Mau: Final Report. Sinotech Engineering Consultants, Inc. in association with P.T. Nasuma Putra Consulting Engineers, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.