APA ציטוט

Bull, P., & Kamionkowski, M. (2013). What if Planck's Universe isn't flat?

Chicago Style (17th ed.) Citation

Bull, P., and M. Kamionkowski. What If Planck's Universe Isn't Flat? 2013.

ציטוט MLA

Bull, P., and M. Kamionkowski. What If Planck's Universe Isn't Flat? 2013.