Gaya APA
Sugiarto,dkk. (2001).
Teknik sampling .
Jakarta:
.
Gaya Chicago
Sugiarto,dkk.
Teknik sampling.
Jakarta:
,
2001.
Text.
Gaya MLA
Sugiarto,dkk.
Teknik sampling.
Jakarta:
,
2001.
Text.
Gaya Turabian
Sugiarto,dkk.
Teknik sampling.
Jakarta:
,
2001.
Print.