Gaya APA

RICHARDS, R, &, A, S. (1994). MANUAL OF TEXTILE TECHNOLOGY: WOOLLEN YARN MANUFACTURE . Manchester: THE TEXTILE INSTITUTE, Manchester.

Gaya MLA

RICHARDS, RTD, &, AB, SYKES. "MANUAL OF TEXTILE TECHNOLOGY: WOOLLEN YARN MANUFACTURE". Manchester: THE TEXTILE INSTITUTE, Manchester, 1994. Textbook.