Penggayaan APA
HARBURY, Colin. (1983).
Desriptive economics (6th ed.).
Wellington:
Pitman.
Chicago Style
HARBURY, Colin.
Desriptive economics.
6th ed.
Wellington:
Pitman,
1983.
Buku.
MLA Style
HARBURY, Colin.
Desriptive economics.
6th ed.
Wellington:
Pitman,
1983.
Buku.
Turabian Style
HARBURY, Colin.
Desriptive economics.
6th ed.
Wellington:
Pitman,
1983.
Buku.