Chukumba, C. und Jensen, R. (2005) University Invention, Entrepreneurship, and Start-Ups [cd], NBER working paper series. Cambridge, Mass.: National Bureau of Economic Research. doi:10.3386/w11475.
Chicago Manual of Style 17th edition (full note)Chukumba, Celestine, und Richard Jensen. University Invention, Entrepreneurship, and Start-Ups. Cd. NBER working paper series. Cambridge, Mass.: National Bureau of Economic Research, [2005?], Cambridge, Mass.: National Bureau of Economic Research, [2005?]. https://doi.org/10.3386/w11475.
American Psychological Association 7th editionChukumba, C., & Jensen, R. (ca. 2005). University Invention, Entrepreneurship, and Start-Ups [Cd]. In NBER working paper series. National Bureau of Economic Research. https://doi.org/10.3386/w11475
Modern Language Association 9th editionChukumba, C., und R. Jensen. „University Invention, Entrepreneurship, and Start-Ups“. NBER working paper series, cd, National Bureau of Economic Research, 2005, https://doi.org/10.3386/w11475.
ISO-690 (author-date, Deutsch)CHUKUMBA, Celestine und Richard JENSEN, 2005. University Invention, Entrepreneurship, and Start-Ups. Cambridge, Mass.: National Bureau of Economic Research