Wallich, Henry C., author
Harvard University Press, 1951
Buku Teks
Kamer, Pearl M., author
Frederick A. Praeger, 1983
Buku Teks
Pigou, A.C. (Arthur Cecil), author
Macmillan, 1956
Buku Teks
Pigou, A.C. (Arthur Cecil), author
Macmillan, 1951
Buku Teks
Musgrave, Richard A., author
McGraw-Hill, 1959
Buku Teks