Gaya APA
Cropley, A.J.. (1978).
Lifelong education : a psychological analysis / A.J. Cropley, Unesco Institute for Education Hamburg .
:
Oxford : Pergamon.
Gaya Chicago
Cropley, A.J..
Lifelong education : a psychological analysis / A.J. Cropley, Unesco Institute for Education Hamburg.
:
Oxford : Pergamon,
1978.
Buku.
Gaya MLA
Cropley, A.J..
Lifelong education : a psychological analysis / A.J. Cropley, Unesco Institute for Education Hamburg.
:
Oxford : Pergamon,
1978.
Buku.
Gaya Turabian
Cropley, A.J..
Lifelong education : a psychological analysis / A.J. Cropley, Unesco Institute for Education Hamburg.
:
Oxford : Pergamon,
1978.
Buku.