Bibliografi : hlm. 119
Bibliografi : hlm. 183-190
Bibliografi : hlm. 233-237
Judul asli : "The Situational Leader"
Judul asli : "Child Development an Personality"
No Inv.: 1184-1187/P/Perp/94/4c~441/S/Perp/93/1c
No Inv.: 141076/Psm/Perp/14/1c
No Inv.: 117229-117231/P/Perp/09/3c
No Inv.: 554/S/Perp/93/1c~9839-9843/P/Perp/97/4c