APA aipamena

RICHARDS, R. (1991). An Early Start To Technology From Science Roy Richars. Simon and Schuster.

Chicago Style aipamena

RICHARDS, Roy. An Early Start To Technology From Science Roy Richars. Simon and Schuster, 1991.

MLA aipamena

RICHARDS, Roy. An Early Start To Technology From Science Roy Richars. Simon and Schuster, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.