Samuelson, Paul A. (Paul Anthony), 1915-2009, author
Erlangga, 1992
Buku Teks
Kolff, G. H. van der, author
Bhratara, 1974
Buku Teks
Boulding, Kenneth E. (Kenneth Ewart), 1910-1993, author
Harper & Row, 1966
Buku Teks
Robinson, Joan, author
C.A. Watts, 1962
Buku Teks
Peach, W. Nelson
Richard D. Irwin, 1955
Buku Teks