Gaya APA
L.Dym, I., S., C. (1985).
ENERGY AND FINITE ELEMENT METHODS IN STRUCTURAL MECHANICS .
USA:
Hemisphere Publishing Corporation.
Gaya MLA
L.Dym, Irving, Shames,, Clive.
"ENERGY AND FINITE ELEMENT METHODS IN STRUCTURAL MECHANICS".
USA:
Hemisphere Publishing Corporation,
1985.
Buku Inti.