@Amil-Zola At airports with no fuel trucks they do taxi up to the fuel pump. We just face the pump (not too close) instead of pulling up alongside it (like a car).
Then you attach a grounding cable to the exhaust pipe (tailpipe of a plane, located at he front of the plane).
After the plane is safely grounded, you can begin fueling the same way you do to a car. The only differences are that by a plane you can actually see the fuel coming out of the nozzle and it does not stop coming out automatically like by a car.
Captain™