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.