Gaya APA
tashakkori, A. et al (2010).
handbook mixed methods in social and behavioral research (cet. ke-1).
yogyakarta:
pustaka pelajar.
Gaya MLA
tashakkori, Abbas. et al.
"handbook mixed methods in social and behavioral research".
cet. ke-1
yogyakarta:
pustaka pelajar,
2010.
Text.