APA Style
Young, Donovan. (1992).
Modern engineering economy .
New York:
John wiley dan sons.
Chicago Style
Young, Donovan.
Modern engineering economy.
New York:
John wiley dan sons,
1992.
Buku.
MLA Style
Young, Donovan.
Modern engineering economy.
New York:
John wiley dan sons,
1992.
Buku.
Turabian Style
Young, Donovan.
Modern engineering economy.
New York:
John wiley dan sons,
1992.
Buku.