Lundberg, Erik, author
Harvard University Press, 1957
Buku Teks
Robinson, Colin, author
Nelson, 1971
Buku Teks
Manne, Alan S., author
McGraw-Hill, 1961
Buku Teks
Crabbe, Ernest H., author
South-Western Publishing, 1961
Buku Teks
Conference on Economic Progress, 1960
Buku Teks