Gaya APA
Nasution, A. (1985).
Bab VI Lain-Lain Stress - deformation analysis of a semi infinitif solid under sub surface load .
Jakarta:
HATTI.
Gaya MLA
Nasution, Amrinsyah.
"Bab VI Lain-Lain Stress - deformation analysis of a semi infinitif solid under sub surface load".
Jakarta:
HATTI,
1985.
Computer Software.