PARKINSON C NORTHCOTE. (1978). HOW TO GET TO THE TOP. MACMILLAN.
Chicago-čujuhus (17. p.)PARKINSON C NORTHCOTE. HOW TO GET TO THE TOP. NEW DELHI: MACMILLAN, 1978.
MLA-čujuhus (9. p.)PARKINSON C NORTHCOTE. HOW TO GET TO THE TOP. MACMILLAN, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.