Archibald, W. Peter (William Peter), 1943-, author
McGraw-Hill Ryerson, 1978
Buku Teks
Stanford University Press, 1988
Buku Teks
Gilpin, Robert, author
Princeton University Press, 1987
Buku Teks
edited by Thomas Clarke and Christos Pitelis
Routledge, 1993
Buku Teks
Sayer, R. Andrew, author
Blackwell, 1995
Buku Teks