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.