Austin, D. W. (1974). PRECIS: A manual of concept analysis and subject indexing. Council of the British National Bibliography.
Citazione stile Chigago Style (17a edizione)Austin, Derek Williams. PRECIS: A Manual of Concept Analysis and Subject Indexing. London: Council of the British National Bibliography, 1974.
Citatione MLA (9a ed.)Austin, Derek Williams. PRECIS: A Manual of Concept Analysis and Subject Indexing. Council of the British National Bibliography, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.