Gaya APA
J., R., S. (2009).
Pocket Guide to Accompany Emergency Medical Tecnician : EMT in action .
Ne York:
McGra-hill Higher Education.
Gaya MLA
J., R., S..
Pocket Guide to Accompany Emergency Medical Tecnician : EMT in action.
Ne York:
McGra-hill Higher Education,
2009.
Textbook.