- ^ Herbert Scheele ed., The International Badminton Federation Handbook for 1971 (Canterbury, Kent, England: J. A. Jennings Ltd., 1971) 78, 84.
- ^ Scheele, 229, 252.
- ^ Pat Davis, The Guinness Book of Badminton (Enfield, Middlesex, England: Guinness Superlatives Ltd., 1983) 113.