Purcell, R. (1925). The programme for primary schools.
Lua i Stíl Chicago (17ú heag.)Purcell, Richard. The Programme for Primary Schools. 1925.
Lua MLA (9ú heag.)Purcell, Richard. The Programme for Primary Schools. 1925.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
