APA-viite (7. p.)

(1990). Unmanned Aerial Vehicles: Realistic Testing Needed Before Production of Short-Range System.

Chicago-viite (17. p.)

Unmanned Aerial Vehicles: Realistic Testing Needed Before Production of Short-Range System. 1990.

MLA-viite (9. p.)

Unmanned Aerial Vehicles: Realistic Testing Needed Before Production of Short-Range System. 1990.

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