Penggayaan APA
JOHNSTON, Llyod D.. (1980).
Review of general population surveys of drug abuse .
Geneva:
World Health Organization.
Chicago Style
JOHNSTON, Llyod D..
Review of general population surveys of drug abuse.
Geneva:
World Health Organization,
1980.
Buku.
MLA Style
JOHNSTON, Llyod D..
Review of general population surveys of drug abuse.
Geneva:
World Health Organization,
1980.
Buku.
Turabian Style
JOHNSTON, Llyod D..
Review of general population surveys of drug abuse.
Geneva:
World Health Organization,
1980.
Buku.