Coba jelasin Rujukan dari Tangki luaran pesawat ulang-alik dalam bahasa melayu dong

"External Tank Thermal Protection System" NASA Facts Return to Flight Focus Area, National Aeronautics and Space Administration, Marshall Space Flight Center, Huntsville, Alabama (Pub 8-40392, FS2005-4-10-MSFC, April 2005)

National Aeronautics and Space Administration. Booster Systems Briefs. Basic, Rev F, PCN 1. April 27, 2005.

National Aeronautics and Space Administration. Shuttle Systems Design Criteria. Volume I: Shuttle Performance Assessment Databook. NSTS 08209, Volume I, Revision B. March 16, 1999.