Citazione Stile APA (7a Edizione)

Reynolds, L., & Barrett, S. (1981). Signs and guiding for libraries (First published.). Clive Bingley.

Citazione stile Chigago Style (17a edizione)

Reynolds, Linda, e Stephen Barrett. Signs and Guiding for Libraries. First published. London: Clive Bingley, 1981.

Citatione MLA (9a ed.)

Reynolds, Linda, e Stephen Barrett. Signs and Guiding for Libraries. First published. Clive Bingley, 1981.