MIT Press, 1968
Buku Teks
E.Zaleski
Organisation for Economic Cooperation and Development, 1969
Buku Teks
American Association for the Advancement of Science,, 1974
Buku Teks
Lomond Books, 1975
Buku Teks
Behrman, Jack N., author
Oelgeschlager, Gunn & Gunn & Hain , 1980
Buku Teks