Gaya APA
BERDIE, Douglas R. (1974).
Questionnaires : design and use .
Metuchen:
The Scarecrow Press.
Gaya Chicago
BERDIE, Douglas R.
Questionnaires : design and use.
Metuchen:
The Scarecrow Press,
1974.
Buku Teks.
Gaya MLA
BERDIE, Douglas R.
Questionnaires : design and use.
Metuchen:
The Scarecrow Press,
1974.
Buku Teks.
Gaya Turabian
BERDIE, Douglas R.
Questionnaires : design and use.
Metuchen:
The Scarecrow Press,
1974.
Buku Teks.