1. Current Notes on International Affairs, vol. 41 no. 3 (03 1970), p. 97
2. Current Notes on International Affairs, vol. 40 no. 6 (06 1969), p. 309
3. Commonwealth Parliamentary Debates, H of R No. 4, p. 754 (7 04 1970)
4. Current Notes on International Affairs, vol. 40 no. 2 (02 1969), pp. 42–43
5. Current Notes on International Affairs, vol. 39 no. 6 (06 1968), pp. 249, 250