Παραπομπή σε μορφή APA (7η εκδ.)

Romanycia, M. H. J. (1987). The design and control of visual routines for the computation of simple geometric properties and relations.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Romanycia, Marc Hector Joseph. The Design and Control of Visual Routines for the Computation of Simple Geometric Properties and Relations. 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Romanycia, Marc Hector Joseph. The Design and Control of Visual Routines for the Computation of Simple Geometric Properties and Relations. 1987.