Torkington, R. B. (1973). Cumulating the Supplements to the Seventh Edition of LC Subject Headings.
Citazione stile Chigago Style (17a edizione)Torkington, Roy B. Cumulating the Supplements to the Seventh Edition of LC Subject Headings. 1973.
Citatione MLA (9a ed.)Torkington, Roy B. Cumulating the Supplements to the Seventh Edition of LC Subject Headings. 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.