National Institute of Educational Planning and Administration (India). Documentation & Sub-National Systems Unit. Documentation at sub-national levels. Documentation & Sub-National Systems Unit, National Institute of Educational Planning and Administration.
Παραπομπή σε μορφή Chicago (17η εκδ.)National Institute of Educational Planning and Administration (India). Documentation & Sub-National Systems Unit. Documentation at Sub-national Levels. New Delhi: Documentation & Sub-National Systems Unit, National Institute of Educational Planning and Administration.
Παραπομπή σε μορφή MLA (8th εκδ.)National Institute of Educational Planning and Administration (India). Documentation & Sub-National Systems Unit. Documentation at Sub-national Levels. Documentation & Sub-National Systems Unit, National Institute of Educational Planning and Administration.