International School of Cosmology and Gravitation & De Sabbata, V. (1982). The Origin and evolution of galaxies. "Ettore Majorana" International Centre for Scientific Culture ; World Scientific.
Παραπομπή σε μορφή Chicago (17η εκδ.)International School of Cosmology and Gravitation και Venzo De Sabbata. The Origin and Evolution of Galaxies. [S.l.] : Singapore: "Ettore Majorana" International Centre for Scientific Culture ; World Scientific, 1982.
Παραπομπή σε μορφή MLA (8th εκδ.)International School of Cosmology and Gravitation και Venzo De Sabbata. The Origin and Evolution of Galaxies. "Ettore Majorana" International Centre for Scientific Culture ; World Scientific, 1982.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.