Gaya APA

Herzwurm, G., Margaria, T. (2013). Software business. from physical products to software services and solutions (1st Ed). Germany: Springer Berlin.

Gaya MLA

Herzwurm, Georg., Margaria, Tiziana. "Software business. from physical products to software services and solutions". 1st Ed Germany: Springer Berlin, 2013. Electronic Resource.