Gaya APA

DUFF, D, G., SINCLAIR, R, S. (1989). GILES'S LABORATORY COURSE IN DYEING (4th ed.). Bradford, West Yorkshire: Society of Dyers and Colourists.

Gaya MLA

DUFF, David, G., SINCLAIR, ROY, S. "GILES'S LABORATORY COURSE IN DYEING". 4th ed. Bradford, West Yorkshire: Society of Dyers and Colourists, 1989. Textbook.