APA-viite (7. p.)

Leppänen, R. (2009). Service contract as a screening device.

Chicago-viite (17. p.)

Leppänen, Riku. Service Contract as a Screening Device. Jyväskylä, 2009.

MLA-viite (9. p.)

Leppänen, Riku. Service Contract as a Screening Device. 2009.