Podsiadlowski, P., & Justham, S. (2006). Astronomy. Big bang points to stellar mix-up.
Chicago Style aipamenaPodsiadlowski, P., and S. Justham. Astronomy. Big Bang Points to Stellar Mix-up. 2006.
MLA aipamenaPodsiadlowski, P., and S. Justham. Astronomy. Big Bang Points to Stellar Mix-up. 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.