Citazione Stile APA (7a Edizione)

Organ, M. (2021). Earth: Core units and geoecology option : leaving certificate geography, higher & ordinary levels (2nd edition.). Educate.ie.

Citazione stile Chigago Style (17a edizione)

Organ, Michael. Earth: Core Units and Geoecology Option : Leaving Certificate Geography, Higher & Ordinary Levels. 2nd edition. Dublin: Educate.ie, 2021.

Citatione MLA (9a ed.)

Organ, Michael. Earth: Core Units and Geoecology Option : Leaving Certificate Geography, Higher & Ordinary Levels. 2nd edition. Educate.ie, 2021.