Gaya APA
EFFENDI, Sofian, SINGARIMBUN, Masri. (1989).
Metode penelitian survai .
Jakarta:
LP3S.
Gaya Chicago
EFFENDI, Sofian, SINGARIMBUN, Masri.
Metode penelitian survai.
Jakarta:
LP3S,
1989.
Text.
Gaya MLA
EFFENDI, Sofian, SINGARIMBUN, Masri.
Metode penelitian survai.
Jakarta:
LP3S,
1989.
Text.
Gaya Turabian
EFFENDI, Sofian, SINGARIMBUN, Masri.
Metode penelitian survai.
Jakarta:
LP3S,
1989.
Print.