Gaya APA

MORTON, W., WRAY, G. (1962). AN INTRODUCTION TO THE STUDY OF SPINNING (3 rd). London: LONGMANS CO Ltd.

Gaya MLA

MORTON, W.E.., WRAY, G.R.. "AN INTRODUCTION TO THE STUDY OF SPINNING". 3 rd London: LONGMANS CO Ltd, 1962. Textbook.