Gaya APA
BEAUFAIT, F, W. (1977).
BASIC CONCEPTS OF STRUCTURAL ANALYSIS .
New Jersey:
CIVIL ENGINEERING AND ENGINEERING MECHANICS SERIES.
Gaya MLA
BEAUFAIT, FRED, W..
"BASIC CONCEPTS OF STRUCTURAL ANALYSIS".
New Jersey:
CIVIL ENGINEERING AND ENGINEERING MECHANICS SERIES,
1977.
Cartographic Material.