Citazione Stile APA (7a Edizione)

Ashe, L., & McCarthy, K. (2010). Core units 1, 2, 3 (New ed., 1. publ. 2007, repr.). Edco, The Educational Company of Ireland.

Citazione stile Chigago Style (17a edizione)

Ashe, Liam, e Kieran McCarthy. Core Units 1, 2, 3. New ed., 1. publ. 2007, repr. Dublin: Edco, The Educational Company of Ireland, 2010.

Citatione MLA (9a ed.)

Ashe, Liam, e Kieran McCarthy. Core Units 1, 2, 3. New ed., 1. publ. 2007, repr. Edco, The Educational Company of Ireland, 2010.