Gaya APA
Mkes, D, S.
(2015).
Metodologi Penelitian Cross Sectional
(
ed 1)
.
klaten:
Bossscript.
Gaya MLA
Mkes, Drg., Susila.
"Metodologi Penelitian Cross Sectional".
ed 1
klaten:
Bossscript,
2015.
teks.