Gaya APA
Sullivan, William G. (2014).
Engineering economy .
Singapore:
Pearson Education.
Gaya Chicago
Sullivan, William G.
Engineering economy.
Singapore:
Pearson Education,
2014.
Text.
Gaya MLA
Sullivan, William G.
Engineering economy.
Singapore:
Pearson Education,
2014.
Text.
Gaya Turabian
Sullivan, William G.
Engineering economy.
Singapore:
Pearson Education,
2014.
Print.