Penggayaan APA
Clough. (1981).
Construction contracting (4).
New York:
John Wiley & Sons.
Chicago Style
Clough.
Construction contracting.
4
New York:
John Wiley & Sons,
1981.
Text.
MLA Style
Clough.
Construction contracting.
4
New York:
John Wiley & Sons,
1981.
Text.
Turabian Style
Clough.
Construction contracting.
4
New York:
John Wiley & Sons,
1981.
Print.