APA aipamena

BALDWIN, H. L. (1993). Essential Geometry. McGraw-Hill.

Chicago Style aipamena

BALDWIN, Harry L. Essential Geometry. McGraw-Hill, 1993.

MLA aipamena

BALDWIN, Harry L. Essential Geometry. McGraw-Hill, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.