Bibliografi : hlm. 253 - 258
Bibliografi : hlm. 273-278
No Inv.: 3851-3860/P/Perp/96/10c
No Inv.: 58-61/P/Perp/94/4c
Bibliografi : hlm. 258-261
No Inv.: 131594/S/Perp/12/1c
Judul asli : "Making Time Work for You"
Judul asli : "Personal Time Management"
No Inv.: 79363/01/1c~1531/S/Perp/97/1c