APA
Garrison D. R. . V. N. D., . (2008). Blended learning in higher education: framework, principles, and guidelines. Jossey-Bass: San Francisco.
Chicago
Garrison D Randy Vaughan Norman D, . 2008. Blended learning in higher education: framework, principles, and guidelines. Jossey-Bass: San Francisco.
Harvard
Garrison D. R. . V. N. D., . (2008). Blended learning in higher education: framework, principles, and guidelines. Jossey-Bass: San Francisco.
MLA
Garrison D Randy Vaughan Norman D, . Blended learning in higher education: framework, principles, and guidelines. Jossey-Bass: San Francisco. 2008.