APA način citiranja (7. izdanje)

3G E-Learning. (2024). Basic knowledge of room service. 3G E-Learning LLC.

Čikaški stil citiranja (17. izdanje)

3G E-Learning. Basic Knowledge of Room Service. New York, NY: 3G E-Learning LLC, 2024.

MLA način citiranja (9. izdanje)

3G E-Learning. Basic Knowledge of Room Service. 3G E-Learning LLC, 2024.