Gaya APA
Menelaah Validitas Penelitian Observasional Seri 19. (2014).
JAKARTA:
.
Gaya Chicago
Menelaah Validitas Penelitian Observasional Seri 19.
.
JAKARTA:
,
2014.
Text Books.
Gaya MLA
Menelaah Validitas Penelitian Observasional Seri 19.
.
JAKARTA:
,
2014.
Text Books.
Gaya Turabian
Menelaah Validitas Penelitian Observasional Seri 19.
JAKARTA:
,
2014.
Text Books.