Gaya APA
Guba, Egon G., Lincoln, Yvonna S. (1981).
Effective evaluation : improving the usefulness of evalution results through responsive and naturalistic approaches. (1).
San Franscisco:
Josey-Bass Inc.
Gaya Chicago
Guba, Egon G., Lincoln, Yvonna S.
Effective evaluation : improving the usefulness of evalution results through responsive and naturalistic approaches..
1
San Franscisco:
Josey-Bass Inc,
1981.
Text.
Gaya MLA
Guba, Egon G., Lincoln, Yvonna S.
Effective evaluation : improving the usefulness of evalution results through responsive and naturalistic approaches..
1
San Franscisco:
Josey-Bass Inc,
1981.
Text.
Gaya Turabian
Guba, Egon G., Lincoln, Yvonna S.
Effective evaluation : improving the usefulness of evalution results through responsive and naturalistic approaches..
1
San Franscisco:
Josey-Bass Inc,
1981.
Print.