APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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