Abrams, M., & Sauls, B. (2003). Space 2100 to mars and beyond in the century to come. New York: Time Inc. home entertainment.
Παραπομπή Chicago StyleAbrams, Michael, and Bob Sauls. Space 2100 to Mars and Beyond in the Century to Come. New York: Time Inc. home entertainment, 2003.
Παραπομπή MLAAbrams, Michael, and Bob Sauls. Space 2100 to Mars and Beyond in the Century to Come. New York: Time Inc. home entertainment, 2003.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.