Collins, M. E. (1972). Union to present day (1. publ.). Educational co. of Ireland.
Citazione stile Chigago Style (17a edizione)Collins, Mary E. Union to Present Day. 1. publ. Dublin: Educational co. of Ireland, 1972.
Citatione MLA (9a ed.)Collins, Mary E. Union to Present Day. 1. publ. Educational co. of Ireland, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.