Παραπομπή σε μορφή APA (7η εκδ.)

Chenery, R. (1979). A comparative study of planning considerations and constraints affecting touirsm projects in the principal European capitals. British Travel Educational Trust.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Chenery, Robert. A Comparative Study of Planning Considerations and Constraints Affecting Touirsm Projects in the Principal European Capitals. London: British Travel Educational Trust, 1979.

Παραπομπή σε μορφή MLA (9th εκδ.)

Chenery, Robert. A Comparative Study of Planning Considerations and Constraints Affecting Touirsm Projects in the Principal European Capitals. British Travel Educational Trust, 1979.