Παραπομπή APA

(1973). The marketing of tourist products of the developing countries. Geneve: International Union of Official Travel Organisations.

Παραπομπή Chicago Style

The Marketing of Tourist Products of the Developing Countries. Geneve: International Union of Official Travel Organisations, 1973.

Παραπομπή MLA

The Marketing of Tourist Products of the Developing Countries. Geneve: International Union of Official Travel Organisations, 1973.

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