Παραπομπή σε μορφή APA (7η εκδ.)

Spencer David J. (1989). Knitting technology: A comprehensive handbook and practical guide to modern day principles and practices (2nd ed.). Pergamon Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Spencer David J. Knitting Technology: A Comprehensive Handbook and Practical Guide to Modern Day Principles and Practices. 2nd ed. Pergamon Press, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Spencer David J. Knitting Technology: A Comprehensive Handbook and Practical Guide to Modern Day Principles and Practices. 2nd ed. Pergamon Press, 1989.