Penggayaan APA
GILL, Richard T. (1978).
Economics (3).
California:
Good Year Publishing Company.
Chicago Style
GILL, Richard T.
Economics.
3
California:
Good Year Publishing Company,
1978.
Buku.
MLA Style
GILL, Richard T.
Economics.
3
California:
Good Year Publishing Company,
1978.
Buku.
Turabian Style
GILL, Richard T.
Economics.
3
California:
Good Year Publishing Company,
1978.
Buku.