APA aipamena

Lietzmann, W. (1965). Visual topology. Chatto & Windus.

Chicago Style aipamena

Lietzmann, W. Visual Topology. London: Chatto & Windus, 1965.

MLA aipamena

Lietzmann, W. Visual Topology. Chatto & Windus, 1965.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.