APA
Thygerson, . (1994). First Aid Handbook. : Boston ,Jones & Bartlet Pub.
Chicago
Thygerson, . 1994. First Aid Handbook. : Boston ,Jones & Bartlet Pub.
Harvard
Thygerson, . (1994). First Aid Handbook. : Boston ,Jones & Bartlet Pub.
MLA
Thygerson, . First Aid Handbook. : Boston ,Jones & Bartlet Pub. 1994.