APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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