Bibliografi : hlm. 255-259
Termasuk bibliografi
Termasuk bibliografi
Judul asli : "Earth Our Crowded Space Ship"
No Inv.: 116569/P/Perp/09/1c
No Inv.: 112-118/Perp/79/7c~626-627/Perp/79/2c
No Inv.: 1367/Perp/81/1c~774-783/Perp/79/10c~1672/S/Perp/96/1c~110092,110094,110095/PH/Perp/07/3c
No Inv.: 713-722/P/Perp/95/10c
Judul asli : "A Readers` Guide to the Social Sciences"