APA način citiranja (7. izdanje)

Landis, M. M., & Lloyd, R. A. (2010). The 3CX IP PBX tutorial: Develop a fully functional, low cost, professional PBX phone system using 3CX. Packt Pub..

Čikaški stil citiranja (17. izdanje)

Landis, Matthew M., i Robert A. Lloyd. The 3CX IP PBX Tutorial: Develop a Fully Functional, Low Cost, Professional PBX Phone System Using 3CX. Birmingham [England]: Packt Pub., 2010.

MLA način citiranja (9. izdanje)

Landis, Matthew M., i Robert A. Lloyd. The 3CX IP PBX Tutorial: Develop a Fully Functional, Low Cost, Professional PBX Phone System Using 3CX. Packt Pub., 2010.