Baumol, William J.
Mass. Harvard University Press, 1952
Buku Teks
Nath, S. K.
Augustus M. Kelley, 1969
Buku Teks
Rothenberg, Jerome
Prentice-Hall, 1961
Buku Teks
Lerner, Abba P. (Abba Ptachya), 1903-1982
Macmillan, 1958
Buku Teks
Lerner, Abba P. (Abba Ptachya), 1903-1982
Macmillan, 1958
Buku Teks