Herrick, S. Astrodynamics. Van Nostrand Reinhold Company.
Chicago Edition CitationHerrick, Samuel. Astrodynamics. London: Van Nostrand Reinhold Company.
MLA Edition CitationHerrick, Samuel. Astrodynamics. Van Nostrand Reinhold Company.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.