APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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