Lewis, William Arthur, 1915-
Some aspects of economic development
University of Ghana by the Ghana Pub, 1971
 Buku Teks
Zwarensteyn, Hendrik
Some Aspects of the extraterritorial reach of the american antitrust laws
Deventer, 1970
 Buku Teks
The development of American industries: their economic significance
planned and edited by John George Glover and William Bouck Cornell
Prentice-Hall, 1951
 Buku Teks
Australian industrial development some aspects of structural change
Australian Government Publishing Service , 1979
 Buku Teks
Vance, Stanley C.
American industries
Prentice-Hall, 1955
 Buku Teks