Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (8th εκδ.)

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