Bibliografi : hlm. 357-362
Judul asli : "Seven Theories of Human Society"
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No Inv.: 2684-2693/P/Perp/96/10c~9610-9619/P/Perp/97/10c~75337/S/01/1c~75337/01/1 C.
No Inv.: 1624-1633/P/Perp/96/10c~8864-8868/P/Perp/97/5c
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No Inv.: 2147-2151/P/Perp/92/5c~6645-6649/P/Perp/92/5c~1540-1541/P/Perp/92/2c~1207/P/Perp/92/1c~59-61/S/Perp/93/3c~113/S/Perp/92/1c~11391-11400/P/Perp/98/10c
No Inv.: 1644-1653/P/Perp/97/10c~9702-9706/P/Perp/97/5c~5222-5226/P/Perp/99/5c~444/S/00/1c~66804/S/00/1c~115357/PH/Perp/08/1c~123330-12224/P/Perp/10/5c~129346/PH/Perp/11/1c~130346/PSM/Perp/11/1c~143233-143235/P/Perp/14/3c
No Inv.: 3564-3575/P/Perp/97/10c