Não informado. (1926). Bulletin of business research. Ohio State University, Bureau of Business Research.
Citação do estilo Chicago (17ª ed.)Não informado. Bulletin of Business Research. Columbus, Ohio: Ohio State University, Bureau of Business Research, 1926.
Citação MLA (8ª ed.)Não informado. Bulletin of Business Research. Ohio State University, Bureau of Business Research, 1926.
Atenció: Aquestes cites poden no estar 100% correctes.