Porter, R.H. und Zona, J.D. (1992) Detection of Bid Rigging in Procurement Auctions [cd], NBER working paper series. Cambridge, Mass.: National Bureau of Economic Research. doi:10.3386/w4013.
Chicago Manual of Style 17th edition (full note)Porter, Robert H., und J. Douglas. Zona. Detection of Bid Rigging in Procurement Auctions. Cd. NBER working paper series. Cambridge, Mass.: National Bureau of Economic Research, [1992?], Cambridge, Mass.: National Bureau of Economic Research, [1992?]. https://doi.org/10.3386/w4013.
American Psychological Association 7th editionPorter, R. H., & Zona, J. D. (ca. 1992). Detection of Bid Rigging in Procurement Auctions [Cd]. In NBER working paper series. National Bureau of Economic Research. https://doi.org/10.3386/w4013
Modern Language Association 9th editionPorter, R. H., und J. D. Zona. „Detection of Bid Rigging in Procurement Auctions“. NBER working paper series, cd, National Bureau of Economic Research, 1992, https://doi.org/10.3386/w4013.
ISO-690 (author-date, Deutsch)PORTER, Robert H. und J. Douglas. ZONA, 1992. Detection of Bid Rigging in Procurement Auctions. Cambridge, Mass.: National Bureau of Economic Research