Παραπομπή σε μορφή APA (7η εκδ.)

Nowell, D., Fellows, L., & Hills, D. (1999). A theoretical and experimental investigation of the influence of crack tip plasticity on fatigue crack closure.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nowell, D., L. Fellows, και D. Hills. A Theoretical and Experimental Investigation of the Influence of Crack Tip Plasticity on Fatigue Crack Closure. 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Nowell, D., et al. A Theoretical and Experimental Investigation of the Influence of Crack Tip Plasticity on Fatigue Crack Closure. 1999.