Pennsylvania State University. College of Business Administration. Center for Research, Pennsylvania State College. Dept. of Economics, Pennsylvania State College. Bureau of Business Research, & Pennsylvania State University. Bureau of Business Research. Pennsylvania business survey. Center for Research of the College of Business Administration [etc.].
Citação do estilo Chicago (17ª ed.)Pennsylvania State University. College of Business Administration. Center for Research, Pennsylvania State College. Dept. of Economics, Pennsylvania State College. Bureau of Business Research, e Pennsylvania State University. Bureau of Business Research. Pennsylvania Business Survey. University Park, Pa.: Center for Research of the College of Business Administration [etc.].
Citação MLA (8ª ed.)Pennsylvania State University. College of Business Administration. Center for Research, et al. Pennsylvania Business Survey. Center for Research of the College of Business Administration [etc.].