Rivkin, Arnold
Frederick A.Praeger Publishers, 1962
Buku Teks
Reuss, Henry S., author
McGraw-Hill, 1964
Buku Teks
3862, 1959
Buku Teks
Harberger, Arnold C.
International Center for Economic Growth , 1985
Buku Teks
Murdock, George Peter, author
McGraw-Hill, 1959
Buku Teks