Gravells, A. (2016). Principles & practices of quality assurance: A guide for internal and external quality assurers in the FE and skills sector. Learning Matters.
芝加哥风格引文Gravells, Ann. Principles & Practices of Quality Assurance: A Guide for Internal and External Quality Assurers in the FE and Skills Sector. SAGE: Learning Matters, 2016.
MLA引文Gravells, Ann. Principles & Practices of Quality Assurance: A Guide for Internal and External Quality Assurers in the FE and Skills Sector. Learning Matters, 2016.
警告：这些引文格式不一定是100％准确.