Gaya APA
Principles and Practice of Informal Education. (2001).
:
.
Gaya Chicago
Principles and Practice of Informal Education.
This edition published in the Taylor & Francis e-L.
:
,
2001.
Text.
Gaya MLA
Principles and Practice of Informal Education.
This edition published in the Taylor & Francis e-L.
:
,
2001.
Text.
Gaya Turabian
Principles and Practice of Informal Education.
:
,
2001.
Print.