Παραπομπή APA

Copson,E.T. (1990). Matric spaces. Universal Book Stall.

Παραπομπή Chicago Style

Copson,E.T. Matric Spaces. New Delhi: Universal Book Stall, 1990.

Παραπομπή MLA

Copson,E.T. Matric Spaces. Universal Book Stall, 1990.