[Geometrische figuren in rechthoek]

MLA

Eeckhaute, Polidoor. [geometrische Figuren In Rechthoek]. 1924.

APA

Eeckhaute, P. (1924). [Geometrische figuren in rechthoek]. .

Chicago

Eeckhaute, Polidoor [geometrische Figuren In Rechthoek].