Matthewson, G. (1955). Constructing an astronomical telescope (2nd ed.). Blackie & Son.
Chicago Style aipamenaMatthewson, George. Constructing an Astronomical Telescope. 2nd ed. London: Blackie & Son, 1955.
MLA aipamenaMatthewson, George. Constructing an Astronomical Telescope. 2nd ed. Blackie & Son, 1955.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.