Παραπομπή σε μορφή APA (7η εκδ.)

Papke, L. E. (1996). Are 401(k) plans replacing other employer-provided pensionsn: Evidence from panel data. National Bureau of Economic Research.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Papke, Leslie E. Are 401(k) Plans Replacing Other Employer-provided Pensionsn: Evidence from Panel Data. Cambridge: National Bureau of Economic Research, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Papke, Leslie E. Are 401(k) Plans Replacing Other Employer-provided Pensionsn: Evidence from Panel Data. National Bureau of Economic Research, 1996.