Não informado. (1990). Personnel Training and Education. Library Association, Personnel Training and Education Group.
Style de citation Chicago (17e éd.)Não informado. Personnel Training and Education. London: Library Association, Personnel Training and Education Group, 1990.
Style de citation MLA (8e éd.)Não informado. Personnel Training and Education. Library Association, Personnel Training and Education Group, 1990.
Attention : ces citations peuvent ne pas être correctes à 100%.