APA
Walker B. G., . (1971). Second treasury of knitting patterns. Great Britain: Pitman Publishing.
Chicago
Walker Barbara G, . 1971. Second treasury of knitting patterns. Great Britain: Pitman Publishing.
Harvard
Walker B. G., . (1971). Second treasury of knitting patterns. Great Britain: Pitman Publishing.
MLA
Walker Barbara G, . Second treasury of knitting patterns. Great Britain: Pitman Publishing. 1971.