APA (7th ed.) Citation

(1981). Welsh-medium work in secondary schools: = Gwaith cyfrwng-Cymraeg mewn ysgolion uwchradd. Her Majesty's Stationery Office.

Chicago Style (17th ed.) Citation

Welsh-medium Work in Secondary Schools: = Gwaith Cyfrwng-Cymraeg Mewn Ysgolion Uwchradd. Cardiff: Her Majesty's Stationery Office, 1981.

MLA (9th ed.) Citation

Welsh-medium Work in Secondary Schools: = Gwaith Cyfrwng-Cymraeg Mewn Ysgolion Uwchradd. Her Majesty's Stationery Office, 1981.