Great Briain. Department of Education and Science. Assessment of Performance Unit & Johnson, S. (1989). National assessment: The APU science approach. Her Majesty Stationery Office.
Chicago Style (17th ed.) CitationGreat Briain. Department of Education and Science. Assessment of Performance Unit and Sandra Johnson. National Assessment: The APU Science Approach. London: Her Majesty Stationery Office, 1989.
MLA (9th ed.) CitationGreat Briain. Department of Education and Science. Assessment of Performance Unit and Sandra Johnson. National Assessment: The APU Science Approach. Her Majesty Stationery Office, 1989.
Warning: These citations may not always be 100% accurate.