Dyfyniad APA

Saborío-Jiménez, J. (2016). Comparative Diagnostic of Standards of Sustainability from Costa Rica and Colombia: Sustainable Tourism Certification and Quality Tourism Certificate / Environmental Seal.

Dyfyniad Arddull Chicago

Saborío-Jiménez, Johan. Comparative Diagnostic of Standards of Sustainability From Costa Rica and Colombia: Sustainable Tourism Certification and Quality Tourism Certificate / Environmental Seal. 2016.

Dyfyniad MLA

Saborío-Jiménez, Johan. Comparative Diagnostic of Standards of Sustainability From Costa Rica and Colombia: Sustainable Tourism Certification and Quality Tourism Certificate / Environmental Seal. 2016.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.