Gaya APA

Wittke, W.. (1964). Difference in Triaxial and Plain Strain Shear Strength . : s.n..

Gaya Chicago

Wittke, W.. Difference in Triaxial and Plain Strain Shear Strength. : s.n., 1964. Text.

Gaya MLA

Wittke, W.. Difference in Triaxial and Plain Strain Shear Strength. : s.n., 1964. Text.

Gaya Turabian

Wittke, W.. Difference in Triaxial and Plain Strain Shear Strength. : s.n., 1964. Print.