Harrison, B. K. (1965). Gravitation theory and gravitation collapse.
Chicago Style aipamenaHarrison, B Kent. Gravitation Theory and Gravitation Collapse. Univesity of Chicago Press, Chicago, 1965.
MLA aipamenaHarrison, B Kent. Gravitation Theory and Gravitation Collapse. 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.