APA (7e ed.) Bronvermelding

Roper, W. E. (2000). Managing technology in the iron and steel industry. Center for Integrative and Development Studies and the Technology Management Center.

Chicago (17e ed.) Bronvermelding

Roper, William E. Managing Technology in the Iron and Steel Industry. University of the Philippines: Center for Integrative and Development Studies and the Technology Management Center, 2000.

MLA (9e ed.) Bronvermelding

Roper, William E. Managing Technology in the Iron and Steel Industry. Center for Integrative and Development Studies and the Technology Management Center, 2000.