Bibligrafi : hlm. 70-71
No Inv.: 1459-1461/S/Perp/91/3c~12253/P/Perp/98/1c
Judul asli : "The 44 Most Common Management Mistakes and How to Audit Them"
No Inv.: 121/AF/Perp/93/1c
No Inv.: 601/S/Perp/90/1c
No Inv.: 1682/S/Perp/91/1c
Judul asli : Family medical care
No Inv.: 11643-11645/P/Perp/93/3c~10803-10804/P/Perp/91/2c
No Inv.: 1688/S/Perp/91/1c
No Inv.: 142/AF/Perp/93/1c