Bibliografi : hlm. 621-625 No Inv.: 68099/S/00/1c
Bibliografi : Termasuk bibliografi
Judul asli: "Principles of economic : an asian edition-volume 1"
Bibliografi No Inv.: 134680 /SM/Perp/13/1c
No Inv.: 2144/BD/Perp/87/1c
No Inv.: 135539 /SM/Perp/13/1c