Gaya APA
Levin, H, M. et al (2018).
Economic Evaluation in Education: Cost-Effectiveness and Benefit-Cost Analysis .
Los Angeles:
Sage Publication.
Gaya MLA
Levin, Henry, M.. et al.
"Economic Evaluation in Education: Cost-Effectiveness and Benefit-Cost Analysis".
Los Angeles:
Sage Publication,
2018.
Art Original.