Penggayaan APA
YOUNG, Donovan. (1993).
Modern engineering economy .
Singapore:
Wiley.
Chicago Style
YOUNG, Donovan.
Modern engineering economy.
Singapore:
Wiley,
1993.
Buku.
MLA Style
YOUNG, Donovan.
Modern engineering economy.
Singapore:
Wiley,
1993.
Buku.
Turabian Style
YOUNG, Donovan.
Modern engineering economy.
Singapore:
Wiley,
1993.
Buku.