Penggayaan APA
JOHNSON, Robert E.. (1990).
The economics of building : .
New York:
John Wiley & Sons.
Chicago Style
JOHNSON, Robert E..
The economics of building : .
New York:
John Wiley & Sons,
1990.
Buku.
MLA Style
JOHNSON, Robert E..
The economics of building : .
New York:
John Wiley & Sons,
1990.
Buku.
Turabian Style
JOHNSON, Robert E..
The economics of building : .
New York:
John Wiley & Sons,
1990.
Buku.