Stackelberg, Heinrich von
Oxford University Press , 1952
Buku Teks
Cohen, Kalman J.
Prentice-Hal , 1965
Buku Teks
Miller, Roger LeRoy, author
RajaGrafindo Persada, 1994
Buku Teks
Friedman, David D., author
South-Western Publishing, 1986
Buku Teks
Pashigian, B. Peter, author
McGraw-Hill, 1998
Buku Teks