"Possible Company Monitization Strategies". Schedule 1 of the contract between Coursera and the University of Michigan. The Chronicle of Higher Education. s.40. Arkiveret fra originalen 20. oktober 2012. Hentet 20. juli 2012.
"Possible Company Monitization Strategies". Schedule 1 of the contract between Coursera and the University of Michigan. The Chronicle of Higher Education. s.40. Arkiveret fra originalen 20. oktober 2012. Hentet 20. juli 2012.