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Lua i Stíl Chicago (17ú heag.)Azara, Iride, Eleni Michopoulou, Federico Niccolini, Derrick Taff, agus Alan Clarke. Tourism, Health, Wellbeing and Protected Areas. Wallingford, Oxfordshire: CABI, 2018.
Lua MLA (9ú heag.)Azara, Iride, et al. Tourism, Health, Wellbeing and Protected Areas. CABI, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.