Schultz, Henry
The theory and measurement of demand / by Henry Schultz
The Univ. of Chicago Press , 1938
 Buku Teks
Clarckson, Geoffrey
The theory of consumer demand: a critical apparisal / Geoffrey Clarckson
Prentice-Hall, 1962
 Buku Teks
Chirgwin, B.H.
Elementary electromagnetic theory; Vol. 1
Pergamon Press, 1971
 Buku Teks
Algebraic methods in graph theory; Vol. 1
edited by L. Lovasz and Vera T. Sos
North-Holland Publishing, 1981
 Buku Teks
Electron spectroscopy : theory techniques, and applications, vol. 1
edited by C.R. Brundle and A.D. Baker
Academic Press, 1977
 Buku Teks