APA (7th ed.) Zitazioa

Garratt, J. (1991). Design and technology. C.U.Pr..

Chicago Style (17th ed.) Zitazioa

Garratt, James. Design and Technology. Cambridge: C.U.Pr., 1991.

MLA (9th ed.) Zitazioa

Garratt, James. Design and Technology. C.U.Pr., 1991.