LARSEN, K. (2007). STEPEN, HAWKING - A BIOGRAPHY. PROMETHES BOOKS.
Chicago-čujuhus (17. p.)LARSEN, KRISTINE. STEPEN, HAWKING - A BIOGRAPHY. NEWYORK: PROMETHES BOOKS, 2007.
MLA-čujuhus (9. p.)LARSEN, KRISTINE. STEPEN, HAWKING - A BIOGRAPHY. PROMETHES BOOKS, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.