Gaya APA
Hubbard, L. Ron. (2007).
THE PROBLEMS OF WORK .
California:
PUBLICATIONS INC.
Gaya Chicago
Hubbard, L. Ron.
THE PROBLEMS OF WORK.
California:
PUBLICATIONS INC,
2007.
Text.
Gaya MLA
Hubbard, L. Ron.
THE PROBLEMS OF WORK.
California:
PUBLICATIONS INC,
2007.
Text.
Gaya Turabian
Hubbard, L. Ron.
THE PROBLEMS OF WORK.
California:
PUBLICATIONS INC,
2007.
Print.