Gaya APA
The costs of evaluation. (1983).
London:
Sage Publishing.
Gaya Chicago
The costs of evaluation.
.
London:
Sage Publishing,
1983.
Tesis.
Gaya MLA
The costs of evaluation.
.
London:
Sage Publishing,
1983.
Tesis.
Gaya Turabian
The costs of evaluation.
London:
Sage Publishing,
1983.
Tesis.