Gaya APA
Effendi, Sofian, Singarimbun, Masri. (1989).
Metodologi penelitian survai (Rev. ed).
Jakarta:
LP3ES.
Gaya Chicago
Effendi, Sofian, Singarimbun, Masri.
Metodologi penelitian survai.
Rev. ed
Jakarta:
LP3ES,
1989.
Text.
Gaya MLA
Effendi, Sofian, Singarimbun, Masri.
Metodologi penelitian survai.
Rev. ed
Jakarta:
LP3ES,
1989.
Text.
Gaya Turabian
Effendi, Sofian, Singarimbun, Masri.
Metodologi penelitian survai.
Rev. ed
Jakarta:
LP3ES,
1989.
Print.