Guidelines and Best Practices: https://msdn.microsoft.com/en-us/library/ms731197(v=vs.110).aspx
Best practices in WCF: Service design and performance guidelines: http://www.infoworld.com/article/2931473/microsoft-net/best-practices-in-wcf-service-design-and-performance-guidelines.html
Windows Communication Foundation (WCF) Best Practices: http://es.slideshare.net/orbitone/windows-communication-foundation-wcf-best-practices
Learning WCF Data Services:
https://msdn.microsoft.com/en-us/data/bb931106