FLETCHER WINSTON. (1986). SUPER EFFICIENCY. CORONET BOOK.
Chicago-čujuhus (17. p.)FLETCHER WINSTON. SUPER EFFICIENCY. HODDER & STOUGHTON: CORONET BOOK, 1986.
MLA-čujuhus (9. p.)FLETCHER WINSTON. SUPER EFFICIENCY. CORONET BOOK, 1986.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.