APA aipamena

448005 Blumenthal, L. M., & Menger, K. (1970). Studies in geometry. San Francisco : W H Freeman.

Chicago Style aipamena

448005 Blumenthal, Leonard Mascot, and Karl Menger. Studies in Geometry. San Francisco : W H Freeman, 1970.

MLA aipamena

448005 Blumenthal, Leonard Mascot, and Karl Menger. Studies in Geometry. San Francisco : W H Freeman, 1970.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.