Gaya APA
Purba, H, N, N.
(2013).
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
(
Promosi Kesehatan)
.
Pekanbaru:
STIKes HTP.
Gaya MLA
Purba, Heldy, Netty, Nilawati.
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx".
Promosi Kesehatan
Pekanbaru:
STIKes HTP,
2013.
.