Penggayaan APA
KAUFMAN, Roger. (1988).
Planning educational systems: .
U.S.A.:
Technomic Publishing company.
Chicago Style
KAUFMAN, Roger.
Planning educational systems:.
U.S.A.:
Technomic Publishing company,
1988.
Buku.
MLA Style
KAUFMAN, Roger.
Planning educational systems:.
U.S.A.:
Technomic Publishing company,
1988.
Buku.
Turabian Style
KAUFMAN, Roger.
Planning educational systems:.
U.S.A.:
Technomic Publishing company,
1988.
Buku.