APA (7e ed.) Bronvermelding

Não informado. (1961). Satellite situation report. National Aeronautics and Space Administration, Goddard Space Flight Center.

Chicago (17e ed.) Bronvermelding

Não informado. Satellite Situation Report. Greenbelt, Md: National Aeronautics and Space Administration, Goddard Space Flight Center, 1961.

MLA (8e ed.) Bronvermelding

Não informado. Satellite Situation Report. National Aeronautics and Space Administration, Goddard Space Flight Center, 1961.

Let op: Deze citaties zijn niet altijd 100% accuraat.