Gaya APA
Cross, A, R.
(1979).
Standart First AID dan Personal Safety
(
-)
.
New York:
New York: Doubleyday Company,.
Gaya MLA
Cross, American, Red.
"Standart First AID dan Personal Safety".
-
New York:
New York: Doubleyday Company,,
1979.
Keperawatan.