Gaya APA
Gill, Richard T. (1973).
Economic development : Past and Present (Edisi 3).
New Jersey:
Prentice Hall.
Gaya Chicago
Gill, Richard T.
Economic development : Past and Present.
Edisi 3
New Jersey:
Prentice Hall,
1973.
Buku Tercetak.
Gaya MLA
Gill, Richard T.
Economic development : Past and Present.
Edisi 3
New Jersey:
Prentice Hall,
1973.
Buku Tercetak.
Gaya Turabian
Gill, Richard T.
Economic development : Past and Present.
Edisi 3
New Jersey:
Prentice Hall,
1973.
Buku Tercetak.