^Pop Knitting : Bold Motifs Using Color and Stitch by Britt-Marie Christoffersson (2012, Hardcover)ISBN 9781596687820 (revised Jun 2025)
^Christoffersson, Britt-Marie (2014). Pop Knitting : Bold Motifs Using Color and Stitch, Perseus Distribution Services. BiggerBooks. ISBN 9781596687820 (revised Feb 2024)