APA aipamena

Birkel, M., & Sarkar, S. (1997). Ruling out a critical density baryonic universe.

Chicago Style aipamena

Birkel, M., and S. Sarkar. Ruling Out a Critical Density Baryonic Universe. 1997.

MLA aipamena

Birkel, M., and S. Sarkar. Ruling Out a Critical Density Baryonic Universe. 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.