Gaya APA
Cho, R, V.
(2011).
Buku Saku P3K
.
Yogyakarata:
Sopia Timur publisher.
Gaya MLA
Cho, Rina, Verina.
"Buku Saku P3K".
Yogyakarata:
Sopia Timur publisher,
2011.
Text.