APA
Rosenberg D. K., . (2000). Open source. Foster City, CA: IDG Books Worldwide.
Chicago
Rosenberg Donald K, . 2000. Open source. Foster City, CA: IDG Books Worldwide.
Harvard
Rosenberg D. K., . (2000). Open source. Foster City, CA: IDG Books Worldwide.
MLA
Rosenberg Donald K, . Open source. Foster City, CA: IDG Books Worldwide. 2000.