Wira. (1972). Woollen ring spinning: Assessments of two modern frames. Wira.
Chicago Style (17th ed.) CitationWira. Woollen Ring Spinning: Assessments of Two Modern Frames. Wira, 1972.
MLA (8th ed.) CitationWira. Woollen Ring Spinning: Assessments of Two Modern Frames. Wira, 1972.
Warning: These citations may not always be 100% accurate.