Citazione Stile APA (7a Edizione)

Sprenger, E. (2004). Education in Britain and the USA: Flexibility is the key? (1. Auflage, 4. [Druck].). Langenscheidt.

Citazione stile Chigago Style (17a edizione)

Sprenger, Ekkehard. Education in Britain and the USA: Flexibility Is the Key? 1. Auflage, 4. [Druck]. Berlin [u.a.]: Langenscheidt, 2004.

Citatione MLA (9a ed.)

Sprenger, Ekkehard. Education in Britain and the USA: Flexibility Is the Key? 1. Auflage, 4. [Druck]. Langenscheidt, 2004.