Citazione Stile APA (7a Edizione)

ONU. (1978). Port development: A handbook for planners in developing countries. ONU.

Citazione stile Chigago Style (17a edizione)

ONU. Port Development: A Handbook for Planners in Developing Countries. Nueva York: ONU, 1978.

Citatione MLA (9a ed.)

ONU. Port Development: A Handbook for Planners in Developing Countries. ONU, 1978.