Cita APA (7th ed.)

Beryozkina Y. A. & Ivanova V. S. Veronika Sergeevna. (2015). Unmanned Aerial Vehicles on the World Market. 2015.

Cita Chicago (17th ed.)

Beryozkina Y. A. i Ivanova V. S. Veronika Sergeevna. Unmanned Aerial Vehicles on the World Market. 2015, 2015.

Cita MLA (9th ed.)

Beryozkina Y. A. i Ivanova V. S. Veronika Sergeevna. Unmanned Aerial Vehicles on the World Market. 2015, 2015.