Παραπομπή APA

Lingenberg, R. (1979). Metric planes and metric vector spaces. Wiley.

Παραπομπή Chicago Style

Lingenberg, Rolf. Metric Planes and Metric Vector Spaces. New York: Wiley, 1979.

Παραπομπή MLA

Lingenberg, Rolf. Metric Planes and Metric Vector Spaces. Wiley, 1979.