India. Directorate General of Technical Development. Directorate of Public Relations and Publications. Hand book of industrial data. Controller of Publications.
Παραπομπή σε μορφή Chicago (17η εκδ.)India. Directorate General of Technical Development. Directorate of Public Relations and Publications. Hand Book of Industrial Data. New Delhi: Controller of Publications.
Παραπομπή σε μορφή MLA (8th εκδ.)India. Directorate General of Technical Development. Directorate of Public Relations and Publications. Hand Book of Industrial Data. Controller of Publications.
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