APA-viite (7. p.)

Balka, K. (2011). Open Source Product Development: The Meaning and Relevance of Openness. Gabler. https://doi.org/10.1007/978-3-8349-6949-1

Chicago-viite (17. p.)

Balka, Kerstin. Open Source Product Development: The Meaning and Relevance of Openness. Wiesbaden: Gabler, 2011. https://doi.org/10.1007/978-3-8349-6949-1.

MLA-viite (9. p.)

Balka, Kerstin. Open Source Product Development: The Meaning and Relevance of Openness. Gabler, 2011. https://doi.org/10.1007/978-3-8349-6949-1.