Gaya APA
Devilles, Robert F.. (1991).
Scale Development Theory And Applications .
America:
Sage Publications.
Gaya Chicago
Devilles, Robert F..
Scale Development Theory And Applications.
America:
Sage Publications,
1991.
Book.
Gaya MLA
Devilles, Robert F..
Scale Development Theory And Applications.
America:
Sage Publications,
1991.
Book.
Gaya Turabian
Devilles, Robert F..
Scale Development Theory And Applications.
America:
Sage Publications,
1991.
Book.