APA aipamena

Stella Maidment, & Stella Maidment; Lorena Roberts. (2000). Happy Street: Activity Book. Oxford: Oxford University Press.

Chicago Style aipamena

Stella Maidment, và Stella Maidment; Lorena Roberts. Happy Street: Activity Book. Oxford: Oxford University Press, 2000.

MLA aipamena

Stella Maidment, và Stella Maidment; Lorena Roberts. Happy Street: Activity Book. Oxford: Oxford University Press, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.