Gaya APA

Wan, R., Hadda, N. (2015). Plastic Deformatios in Granular Materials with Rotation of Principal Stress Axes . USA: Springer.

Gaya MLA

Wan, Richard.., Hadda, Nejib.. "Plastic Deformatios in Granular Materials with Rotation of Principal Stress Axes". USA: Springer, 2015. Text.