Specer, D. (1970). Question wards. Longman Green.
Lua i Stíl Chicago (17ú heag.)Specer, D. Question Wards. London: Longman Green, 1970.
Lua MLA (9ú heag.)Specer, D. Question Wards. Longman Green, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.