Παραπομπή σε μορφή APA (7η εκδ.)

Gräfe, W. (2015). Time-dependent mechanical properties of solids: Relaxation of stress and density, strength (fatigue). Trans Tech Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gräfe, Wolfgang. Time-dependent Mechanical Properties of Solids: Relaxation of Stress and Density, Strength (fatigue). Pfäffikon, Zurich, Switzerland: Trans Tech Publications, 2015.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gräfe, Wolfgang. Time-dependent Mechanical Properties of Solids: Relaxation of Stress and Density, Strength (fatigue). Trans Tech Publications, 2015.