Welsh Joint Education Committee. (1966). Certificate of Secondary Education 1966 examinations: Regulations and syllabuses. Welsh Joint Education Committee.
Citazione stile Chigago Style (17a edizione)Welsh Joint Education Committee. Certificate of Secondary Education 1966 Examinations: Regulations and Syllabuses. Cardiff: Welsh Joint Education Committee, 1966.
Citatione MLA (9a ed.)Welsh Joint Education Committee. Certificate of Secondary Education 1966 Examinations: Regulations and Syllabuses. Welsh Joint Education Committee, 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.