University of London. University Entrance and School Examinations Council. (1959). Regulations and syllabuses for the General Certificate of Education Examinations ... The University.
Lua i Stíl Chicago (17ú heag.)University of London. University Entrance and School Examinations Council. Regulations and Syllabuses for the General Certificate of Education Examinations ... London: The University, 1959.
Lua MLA (8ú heag.)University of London. University Entrance and School Examinations Council. Regulations and Syllabuses for the General Certificate of Education Examinations ... The University, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.