Penggayaan APA
BIRD,Jean. (1980).
Assesing effectiveness .
London:
The British Library.
Chicago Style
BIRD,Jean.
Assesing effectiveness.
London:
The British Library,
1980.
Buku.
MLA Style
BIRD,Jean.
Assesing effectiveness.
London:
The British Library,
1980.
Buku.
Turabian Style
BIRD,Jean.
Assesing effectiveness.
London:
The British Library,
1980.
Buku.