Cita APA (7a ed.)
National Association of Bedding Manufacturers & International Sleep Products Association. (1987). Bed times. National Association of Bedding Manufacturers.
Cita Chicago Style (17a ed.)
National Association of Bedding Manufacturers y International Sleep Products Association. Bed Times. [Arlington, VA: National Association of Bedding Manufacturers, 1987.
Cita MLA (9a ed.)
National Association of Bedding Manufacturers y International Sleep Products Association. Bed Times. National Association of Bedding Manufacturers, 1987.
Precaución: Estas citas no son 100% exactas.