Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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