Cita APA (7th ed.)

Vivanco, L. A. Certifying sustainable tourism in Costa Rica: Environmental governance and accountability in a transitional era.

Cita Chicago (17th ed.)

Vivanco, Luis A. Certifying Sustainable Tourism in Costa Rica: Environmental Governance and Accountability in a Transitional Era.

Cita MLA (9th ed.)

Vivanco, Luis A. Certifying Sustainable Tourism in Costa Rica: Environmental Governance and Accountability in a Transitional Era.

Atenció: Aquestes cites poden no estar 100% correctes.