APA (7e ed.) Bronvermelding

Richards, Y. (2012). Classification and Types of Geocentric Orbits. Delhi, India : University Publication : World Technologies.

Chicago (17e ed.) Bronvermelding

Richards, Yu. Classification and Types of Geocentric Orbits. Delhi, India : University Publication : World Technologies, 2012.

MLA (9e ed.) Bronvermelding

Richards, Yu. Classification and Types of Geocentric Orbits. Delhi, India : University Publication : World Technologies, 2012.

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