APA Format
Harjanto, Bambang Purwanto; Bambang Purwanto. (2014).
Sukses menyusun proposal penelitian / Harjanto, Bambang Purwanto
. Surabaya :: Revka Petra Media,.
MLA Format
Harjanto, Bambang Purwanto; Bambang Purwanto.
Sukses menyusun proposal penelitian / Harjanto, Bambang Purwanto
. Surabaya :: Revka Petra Media,, 2014
Chicago Format
Harjanto, Bambang Purwanto; Bambang Purwanto. Sukses menyusun proposal penelitian / Harjanto, Bambang Purwanto. Surabaya :: Revka Petra Media,, 2014.