References
- Statistics Canada, 1988. Quarterly Estimates of the Canadian Balance of International Payments, Catalogue 67–001, Ottawa.
- Statistics Canada, 1988, International Transactions in Services, 1986 and (1987) Catalogue 67–203, Ottawa.
- Statistics Canada, 1981, The Canadian Balance of International Payments and International Investment Position - A Description of Sources and Methods, Catalogue 67–506 (occasional), Ottawa.
- Statistics Canada, 1986. Canada's International Trade in Services, 1969-(1984) Catalogue 67–510 (occasional), Ottawa.