Παραπομπή σε μορφή APA (7η εκδ.)

Lopes, J., & Hills, D. (2019). The axisymmetric frictional receding contact of a layer pressed against a half-space by a point force. Elsevier.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lopes, JP, και DA Hills. The Axisymmetric Frictional Receding Contact of a Layer Pressed Against a Half-space by a Point Force. Elsevier, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lopes, JP, και DA Hills. The Axisymmetric Frictional Receding Contact of a Layer Pressed Against a Half-space by a Point Force. Elsevier, 2019.