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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSinotech 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.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিSinotech 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.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.