Cita APA

Campbell, J. R. (1985). Administrative and operational procedures for programs for sites and services and area upgrading. World bank.

Citación estilo Chicago

Campbell, J. Ronald. Administrative and Operational Procedures for Programs for Sites and Services and Area Upgrading. Washington: World bank, 1985.

Cita MLA

Campbell, J. Ronald. Administrative and Operational Procedures for Programs for Sites and Services and Area Upgrading. Washington: World bank, 1985.