APA (7e ed.) Bronvermelding

Easton, P. A. (1996). Sharpening our tools: Improving evaluation in adult and nonformal education. UNESCO Institute for Education.

Chicago (17e ed.) Bronvermelding

Easton, Peter A. Sharpening Our Tools: Improving Evaluation in Adult and Nonformal Education. Hamburg, Germany: UNESCO Institute for Education, 1996.

MLA (8e ed.) Bronvermelding

Easton, Peter A. Sharpening Our Tools: Improving Evaluation in Adult and Nonformal Education. UNESCO Institute for Education, 1996.