Gaya APA
Tuma, J, J. (1969).
(PASCA) Theory and Problems of Space Structural Analysis (Edisi 1).
New York:
Mc Graw-Hill International Book Company.
Gaya MLA
Tuma, Jan, J..
"(PASCA) Theory and Problems of Space Structural Analysis".
Edisi 1
New York:
Mc Graw-Hill International Book Company,
1969.
.