(1978). Preserving Centuries of Work: A Race against Time.
Citazione stile Chigago Style (17a edizione)Preserving Centuries of Work: A Race Against Time. 1978.
Citatione MLA (9a ed.)Preserving Centuries of Work: A Race Against Time. 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.