Gaya APA
Effective Secondary Education. (1966).
:
Burgess publishing company.
Gaya Chicago
Effective Secondary Education.
.
:
Burgess publishing company,
1966.
.
Gaya MLA
Effective Secondary Education.
.
:
Burgess publishing company,
1966.
.
Gaya Turabian
Effective Secondary Education.
:
Burgess publishing company,
1966.
.