Penggayaan APA
O'BRIEN, Robert, COHEN, Sidney . (1984).
The encyclopedia of drug abuse .
New York:
Facts on File.
Chicago Style
O'BRIEN, Robert, COHEN, Sidney .
The encyclopedia of drug abuse.
New York:
Facts on File,
1984.
Buku.
MLA Style
O'BRIEN, Robert, COHEN, Sidney .
The encyclopedia of drug abuse.
New York:
Facts on File,
1984.
Buku.
Turabian Style
O'BRIEN, Robert, COHEN, Sidney .
The encyclopedia of drug abuse.
New York:
Facts on File,
1984.
Buku.