APA (7th ed.) Zitazioa
Ivanov, S. P., & Vassilev, D. N. (2011). Extremals for the Sobolev inequality and the quaternionic contact Yamabe problem. World Scientific.
Chicago Style (17th ed.) Zitazioa
Ivanov, Stefan P., eta Dimiter N. Vassilev. Extremals for the Sobolev Inequality and the Quaternionic Contact Yamabe Problem. Singapore ; Hackensack, N.J.: World Scientific, 2011.
MLA (9th ed.) Zitazioa
Ivanov, Stefan P., eta Dimiter N. Vassilev. Extremals for the Sobolev Inequality and the Quaternionic Contact Yamabe Problem. World Scientific, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.