Brian Williams. (2004). Science and Technology: Biggest & Best (Biggest & Best series). Miles Kelly Publishing.
Chicago-čujuhus (17. p.)Brian Williams. Science and Technology: Biggest & Best (Biggest & Best Series). Miles Kelly Publishing, 2004.
MLA-čujuhus (9. p.)Brian Williams. Science and Technology: Biggest & Best (Biggest & Best Series). Miles Kelly Publishing, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.