APA (7th ed.) Zitazioa

Brodskaya, N. (2011). [Perfect square]. Parkstone International.

Chicago Style (17th ed.) Zitazioa

Brodskaya, Nathalia. [Perfect Square]. [New York]: Parkstone International, 2011.

MLA (9th ed.) Zitazioa

Brodskaya, Nathalia. [Perfect Square]. Parkstone International, 2011.