Gaya APA
Susila, ., Suya, .
(2015).
Metode penelitian Cross Sectional
(
cet.1)
.
Klaten:
Bossscript.
Gaya MLA
Susila, ., Suya, .
"Metode penelitian Cross Sectional".
cet.1
Klaten:
Bossscript,
2015.
Textbook.