Gaya APA
Handbook in research and evaluation. (1980).
California:
EDITS.
Gaya Chicago
Handbook in research and evaluation.
.
California:
EDITS,
1980.
Reference.
Gaya MLA
Handbook in research and evaluation.
.
California:
EDITS,
1980.
Reference.
Gaya Turabian
Handbook in research and evaluation.
California:
EDITS,
1980.
Reference.