U.S. Department or Labor Guide to First Aid. (1985). First and book. Gramercy.
Cita Chicago Style (17a ed.)U.S. Department or Labor Guide to First Aid. First and Book. Gramercy, 1985.
Cita MLA (9a ed.)U.S. Department or Labor Guide to First Aid. First and Book. Gramercy, 1985.
Precaución: Estas citas no son 100% exactas.