ISI. (1964). Indian standard specification for hand-operated butter churn: End-over-end. Indian standards institution.
Chicago Edition CitationISI. Indian Standard Specification for Hand-operated Butter Churn: End-over-end. Indian standards institution, 1964.
MLA Edition CitationISI. Indian Standard Specification for Hand-operated Butter Churn: End-over-end. Indian standards institution, 1964.
Warning: These citations may not always be 100% accurate.