APA (7th ed.) Citation

O'Grady, A. (1990). The challenge of tourism: Learning resources for study and action. Ecumenical Coalition on Third World Tourism.

Chicago Style (17th ed.) Citation

O'Grady, Alison. The Challenge of Tourism: Learning Resources for Study and Action. Bangkok: Ecumenical Coalition on Third World Tourism, 1990.

MLA (9th ed.) Citation

O'Grady, Alison. The Challenge of Tourism: Learning Resources for Study and Action. Ecumenical Coalition on Third World Tourism, 1990.