Gaya APA
Effendi,, S., Tukiran, .
(2012).
Metode penelitian survei
(
Cet. 2)
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Jakarta:
LP3ES.
Gaya MLA
Effendi,, Sofian., Tukiran, .
"Metode penelitian survei".
Cet. 2
Jakarta:
LP3ES,
2012.
Text.