APA Citation

Calderón Delgado, M. A. (2008). Preventive conservation of documents. Universidad Nacional, Costa Rica.

Chicago Style Citation

Calderón Delgado, Marco A. Preventive Conservation of Documents. Universidad Nacional, Costa Rica, 2008.

MLA Citation

Calderón Delgado, Marco A. Preventive Conservation of Documents. Universidad Nacional, Costa Rica, 2008.

Warning: These citations may not always be 100% accurate.