Citations for IBISWorld
Alvarez, Andrew. "IBISWorld Industry Report 71394 Gym, Health, and Fitness Clubs in the US." October 2016. 1-34. IBISWorld.
Citations for Simmons OneView
Simmons Research. Fall 2013 National Household Consumer Survey adult survey 6-month. 2013. Simmons OneView.
Citations for Mergent Intellect
Mergent. Stryker Corporation: Financial details - income statement. 2016. Mergent Intellect Database.
Citations for Policy Map
Estimated percent of all people age 18-34 between 2011-2015. PolicyMap. (based on data from U.S. Census)
Citations for Mintel
Author's Last Name, Author's First Name. "Title of Report." Date of Publication. Mintel.
Wong-Li, Carol. "Marketing to Millennials - Canada - January 2016." Jan. 2016. Mintel
Citations for eMarketer
eMarketer. Facebook Ad Revenues US, 2017-2021. 2019. eMarketer.