APA-Zitierstil (7. Ausg.)

Engström, P., Hesselius, P., & Holmlund, B. (2009). Vacancy referrals, job search, and the duration of unemployment: A randomized experiment. CESifo.

Chicago-Zitierstil (17. Ausg.)

Engström, Per, Patrik Hesselius, und Bertil Holmlund. Vacancy Referrals, Job Search, and the Duration of Unemployment: A Randomized Experiment. Munich: CESifo, 2009.

MLA-Zitierstil (9. Ausg.)

Engström, Per, et al. Vacancy Referrals, Job Search, and the Duration of Unemployment: A Randomized Experiment. CESifo, 2009.