Gaya APA
Elementary School Administration and Supervision. (1951).
:
.
Gaya Chicago
Elementary School Administration and Supervision.
.
:
,
1951.
Text.
Gaya MLA
Elementary School Administration and Supervision.
.
:
,
1951.
Text.
Gaya Turabian
Elementary School Administration and Supervision.
:
,
1951.
Print.