# References and Further Reading
In putting this handbook together, we’ve stood on the shoulders of many talented people from external organizations. We expecially owe thanks to the following source material:
- "Shape Up: Stop Running in Circles and Ship Work that Matters"
- "The First 90 Days" by Michael D. Watkins
- "High-Output Management" by Andy Grove
- "Great at Work" by Morton T. Hansen
- Netflix Culture Deck
- Valve New Employee Handbook
- "Rework" by Jason Fried and David Heinemeier Hasson
- "Team of Teams" by Chris Fussell, David Silverman, Stanley A. McChrystal, and Tantum Collins
- "Extreme Ownership" by Jocko Willink and Leif Babin
- Group Chat:The Best Way to Totally Stress Out Your Team