Gaya APA
Applied geography: selected perspectives. (1982).
New Jersey:
Prentice-Hall Inc.
Gaya Chicago
Applied geography: selected perspectives.
.
New Jersey:
Prentice-Hall Inc,
1982.
Buku.
Gaya MLA
Applied geography: selected perspectives.
.
New Jersey:
Prentice-Hall Inc,
1982.
Buku.
Gaya Turabian
Applied geography: selected perspectives.
New Jersey:
Prentice-Hall Inc,
1982.
Buku.