Gaya APA
De, H, L, J, G.
(1991).
Restructuring The U.S. Steel Industry
.
Boulder:
Westview Press.
Gaya MLA
De, Heraclito, Lima,, Jose, Guilherme.
"Restructuring The U.S. Steel Industry".
Boulder:
Westview Press,
1991.
FAKULTAS TEKNIK.