Sapir, A., & Lutz, E. (1980). Trade in non-factor services: Past trends and current issues. Banco Mundial.
Chicago Style (17th ed.) CitationSapir, Andre, and Ernst Lutz. Trade in Non-factor Services: Past Trends and Current Issues. Washington, D.C: Banco Mundial, 1980.
MLA (9th ed.) CitationSapir, Andre, and Ernst Lutz. Trade in Non-factor Services: Past Trends and Current Issues. Banco Mundial, 1980.