State of the world 1997: a worldwatch Institute report on progress toward a sustainabl society
wW.Norton & Co., 1997
Buku Teks
State of the world 1998: a worldwatch Institute report on progress toward a sustainabl society
wW.Norton & Co., 1998
Buku Teks
State of the world 1995: a worldwatch Institute report on progress toward a sustainabl society
W.W. Norton, 1995
Buku Teks
State of the world 1990 : a worldwatch institute report on progress toward a sustainable society
Lester R. Brown ...[et al.]
W.W. Norton, 1990
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Vincent, Andrew
Theories of the state
Basil Blackwell, 1987
Buku Teks