Dyfyniad APA

Tchudi, S. (1993). Lock & key: The secrets of locking things up, in, and out. Charles Scribner's Sons ; Maxwell Macmillan Canada ; Maxwell Macmillan International.

Dyfyniad Arddull Chicago

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.

Dyfyniad MLA

Tchudi, Stephen. Lock & Key: The Secrets of Locking Things Up, in, and Out. Charles Scribner's Sons ; Maxwell Macmillan Canada ; Maxwell Macmillan International, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.