Columbia campuses abroad. The Daily Dot. 2024-04-25 [2024-04-29]. (原始内容存档于2024-04-29) (美国英语). Are US campus protestsagainst Israel's war on Gaza going global
extensive reading lists from Syndicalist.org). Open Source Currency – article by Douglas Rushkoff on The Feature Archives The Future of Payment Systems
ISBN 978-0-7425-5673-7. Frater, Jamie. Listverse.com's Ultimate Book of Bizarre Lists. Berkeley, CA: Ulysses press. 2010-11-01: 516, 517. ISBN 978-1-56975-817-5