Gaya APA
BARR, A, D., CATLING, H. (1965).
THE PRINCIPLES AND THEORY OF RING SPINNING .
Manchester:
THE TEXTILE INSTITUTE.
Gaya MLA
BARR, A.E., DE., CATLING, H..
"THE PRINCIPLES AND THEORY OF RING SPINNING".
Manchester:
THE TEXTILE INSTITUTE,
1965.
Textbook.