Penggayaan APA
HOPKINS, Charles D.. (1976).
Educational research: .
Columbus:
Charles E. Merrill Publishing Company.
Chicago Style
HOPKINS, Charles D..
Educational research:.
Columbus:
Charles E. Merrill Publishing Company,
1976.
Buku.
MLA Style
HOPKINS, Charles D..
Educational research:.
Columbus:
Charles E. Merrill Publishing Company,
1976.
Buku.
Turabian Style
HOPKINS, Charles D..
Educational research:.
Columbus:
Charles E. Merrill Publishing Company,
1976.
Buku.