Gaya APA
Programme, U, N, H, S, . (1992).
Value EngineeringProgram Guide for Design and Construction (satu).
Washington:
U.S. General Services Administration Public Buildings Service.
Gaya MLA
Programme, United, Nations, Human, Settlements, .
"Value EngineeringProgram Guide for Design and Construction".
satu
Washington:
U.S. General Services Administration Public Buildings Service,
1992.
Electronic Resource.