Belanger & Hiller (2006) | Government delivering Services to Individuals (G2IS) |
| Government-to-Individuals as Part of the Political Process (G2IP) |
| Government-to-Business as Citizen (G2BC) |
| Government-to-Business in the Marketplace (G2BMKT) |
| Government-to-Employees (G2E) |
| Government-to-Government (G2G) |
|
Yildiz (2007) building on Brown & Brudney (2001) | Government-to-Government (G2G) |
| Government-to-Citizen (G2C) |
|
Citizen-to-Citizen (C2C)
|
| Government-to-Civil Societal Organizations (G2CS) |
| Government-to-Business (G2B) |