Unger, Roberto Mangabeira
The Critical legal studies movement
Harvard University Press, 1983
 Buku Teks
Unger, Roberto Mangabeira
The critical legal studies movement
Harvard University Press, 1986
 Buku Teks
Voorhoeve, Petrus
Critical survey of studies on the languages of Sumatra
Martinus Nijhoff, 1955
 Buku Teks
Noorduyn, J.
A critical survey of studies on the languages of Sulawesi
KITLV Press, 1991
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Hayek, Friedrich A. von (Friedrich August), 1899-1992
Collectivist economic planning : critical studies on the possibilities of socialism
George Routledge and Sons, 1947
 Buku Teks