APA (7th ed.) Citation

Hamari, J., Technology, F. o. I., tiedekunta, I., laitos, T., Systems, D. o. C. S. a. I., Jyväskylä, U. o., & yliopisto, J. (2009). Virtual goods sales: New requirements for business modelling?

Chicago Style (17th ed.) Citation

Hamari, Juho, Faculty of Information Technology, Informaatioteknologian tiedekunta, Tietojenkäsittelytieteiden laitos, Department of Computer Science and Information Systems, University of Jyväskylä, and Jyväskylän yliopisto. Virtual Goods Sales: New Requirements for Business Modelling? 2009.

MLA (9th ed.) Citation

Hamari, Juho, et al. Virtual Goods Sales: New Requirements for Business Modelling? 2009.