Holiday, Ryan (Nombre personal)
Trust me, I'm lying, c2012: eCIP t.p. (Ryan Holiday)
Amazon website, Sept. 30, 2019 (RYAN HOLIDAY is the author of books about marketing, culture, and the human condition. His company, Brass Check, has advised companies such as Google, TASER, and Complex, as well as multiplatinum musicians and some of the biggest authors in the world. He lives in Austin, Texas.)
Wikipedia, viewed March 2, 2022 (Ryan Holiday (born June 16, 1987) is an American author, public-relations strategist, bookstore owner and host of the podcast The Daily Stoic. He is a former director of marketing for American Apparel; b. Sacramento, California; attended University of California, Riverside; lives on a ranch in Bastrop County, Texas)