Gaya APA
SUGIARTO, DKK. ().
TEKNIK SAMPLING .
Jakarta:
Gramedia.
Gaya Chicago
SUGIARTO, DKK.
TEKNIK SAMPLING.
Jakarta:
Gramedia,
.
Book.
Gaya MLA
SUGIARTO, DKK.
TEKNIK SAMPLING.
Jakarta:
Gramedia,
.
Book.
Gaya Turabian
SUGIARTO, DKK.
TEKNIK SAMPLING.
Jakarta:
Gramedia,
.
Book.