APA (7th ed.) Citation

Per Hetland. (2011). The User Paradox in Technology Testing. Universitetsforlaget.

Chicago Style (17th ed.) Citation

Per Hetland. The User Paradox in Technology Testing. Universitetsforlaget, 2011.

MLA (9th ed.) Citation

Per Hetland. The User Paradox in Technology Testing. Universitetsforlaget, 2011.

Warning: These citations may not always be 100% accurate.