U.S. Department or Labor Guide to First Aid. (1985). First and book. Gramercy.
Cita Chicago (17th ed.)U.S. Department or Labor Guide to First Aid. First and Book. Gramercy, 1985.
Cita MLA (9th ed.)U.S. Department or Labor Guide to First Aid. First and Book. Gramercy, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.