Easton, P. A. (1996). Sharpening our tools: Improving evaluation in adult and nonformal education. UNESCO Institute for Education.
芝加哥风格引文Easton, Peter A. Sharpening Our Tools: Improving Evaluation in Adult and Nonformal Education. Hamburg, Germany: UNESCO Institute for Education, 1996.
MLA引文Easton, Peter A. Sharpening Our Tools: Improving Evaluation in Adult and Nonformal Education. UNESCO Institute for Education, 1996.
警告：这些引文格式不一定是100％准确.