Gaya APA
Purwoto, Agus. (2014).
Metode Penelitian Survei .
Bogor:
IN Media.
Gaya Chicago
Purwoto, Agus.
Metode Penelitian Survei.
Bogor:
IN Media,
2014.
Buku Teks.
Gaya MLA
Purwoto, Agus.
Metode Penelitian Survei.
Bogor:
IN Media,
2014.
Buku Teks.
Gaya Turabian
Purwoto, Agus.
Metode Penelitian Survei.
Bogor:
IN Media,
2014.
Buku Teks.