Coffman, S. (1999). Building Earth's Largest Library: Driving into the Future.
Citazione stile Chigago Style (17a edizione)Coffman, Steve. Building Earth's Largest Library: Driving into the Future. 1999.
Citatione MLA (9a ed.)Coffman, Steve. Building Earth's Largest Library: Driving into the Future. 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.