APA
Scheer A., . (2001). Start-ups are Easy, But. : Springer Science & Business Media.
Chicago
Scheer August-Wilhelm, . 2001. Start-ups are Easy, But. : Springer Science & Business Media.
Harvard
Scheer A., . (2001). Start-ups are Easy, But. : Springer Science & Business Media.
MLA
Scheer August-Wilhelm, . Start-ups are Easy, But. : Springer Science & Business Media. 2001.