Παραπομπή σε μορφή APA (7η εκδ.)

Gottfried, B. (2007). Shape from Positional-Contrast: Characterising Sketches with Qualitative Line Arrangements. DUV.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gottfried, Björn. Shape from Positional-Contrast: Characterising Sketches with Qualitative Line Arrangements. Wiesbaden: DUV, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gottfried, Björn. Shape from Positional-Contrast: Characterising Sketches with Qualitative Line Arrangements. DUV, 2007.