Tchudi, S. (1993). Lock & key: The secrets of locking things up, in, and out. Charles Scribner's Sons ; Maxwell Macmillan Canada ; Maxwell Macmillan International.
Citazione stile Chigago Style (17a edizione)Tchudi, Stephen. Lock & Key: The Secrets of Locking Things Up, in, and Out. New York : Toronto : New York: Charles Scribner's Sons ; Maxwell Macmillan Canada ; Maxwell Macmillan International, 1993.
Citatione MLA (8a ed.)Tchudi, Stephen. Lock & Key: The Secrets of Locking Things Up, in, and Out. Charles Scribner's Sons ; Maxwell Macmillan Canada ; Maxwell Macmillan International, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.