Saborío-Jiménez, J. (2016). Comparative Diagnostic of Standards of Sustainability from Costa Rica and Colombia: Sustainable Tourism Certification and Quality Tourism Certificate / Environmental Seal.
Trích dẫn kiểu ChicagoSaborío-Jiménez, Johan. Comparative Diagnostic of Standards of Sustainability From Costa Rica and Colombia: Sustainable Tourism Certification and Quality Tourism Certificate / Environmental Seal. 2016.
Trích dẫn MLASaborío-Jiménez, Johan. Comparative Diagnostic of Standards of Sustainability From Costa Rica and Colombia: Sustainable Tourism Certification and Quality Tourism Certificate / Environmental Seal. 2016.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.