Handbook on tourism forecasting methods.
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Madrid
          World Tourism Organization
    
        [1976] | 
| Cyfres: | [Publications] / World Tourism Organization
              [no. 53] | 
| Pynciau: |