एपीए उद्धरण

Herrick, S. Astrodynamics. Van Nostrand Reinhold Company.

शिकागो स्टाइल उद्धरण

Herrick, Samuel. Astrodynamics. London: Van Nostrand Reinhold Company.

एमएलए उद्धरण

Herrick, Samuel. Astrodynamics. Van Nostrand Reinhold Company.