APA-čujuhus (7. p.)

Ulbrich, H., Wedel, M., & Dienel, H. (2021). Internal Crowdsourcing in Companies: Theoretical Foundations and Practical Applications. Springer Nature.

Chicago-čujuhus (17. p.)

Ulbrich, Hannah, Marco Wedel, juo Hans-Liudger Dienel. Internal Crowdsourcing in Companies: Theoretical Foundations and Practical Applications. Springer Nature, 2021.

MLA-čujuhus (9. p.)

Ulbrich, Hannah, et al. Internal Crowdsourcing in Companies: Theoretical Foundations and Practical Applications. Springer Nature, 2021.

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