Gaya APA
Aehlert, B. (2009).
Pocket Guide to Accompany Emergency Medical Technician EMT in Action .
USA:
The Mc Graw- Hill Companies.
Gaya MLA
Aehlert, Barbara.
"Pocket Guide to Accompany Emergency Medical Technician EMT in Action".
USA:
The Mc Graw- Hill Companies,
2009.
Text.