Richard D. Irwin , 1969
Buku Teks
Hailstones, Thomas J., author
South-Western Publishing, 1985
Buku Teks
edited by Arthur L. Grey and John E. Elliot
Houghton Mifflin, 1965
Buku Teks
Suhono Sumobaskoro, author
1978
UI - Disertasi (Membership)
Suhono Sumobaskoro, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1978
UI - Disertasi (Membership)