1) Buechler, Steven M. Understanding Social Movements: Theories from the Classical Era to the Present. Boulder, CO: Paradigm Publishers, 2011. Introduction and Selections pages: 1-5, 60-66, 72-74, 91-94, 99, 104-111. (I'm sorry, some pages are out of order and there are pages not required for reading. I'm trying to get a better copy of this.)
2) Gupta, Devashree. 2017. Protest Politics Today. 1 edition. Cambridge, UK: Polity. Chapter 1, pages 19-31, and Chapter 2, pages 32-45 only. You can skip the Methods Spotlight on 35-36 too.
3) McCarthy & Zald. “Ch. 19: Social Movement Organizations.” In: Goodwin, Jeff, and James M. Jasper. 2009. The Social Movements Reader : Cases and Concepts. 2nd ed. Blackwell Readers in Sociology; 12. Chichester, U.K.: Wiley-Blackwell.