Gaya APA
Purwanto, Ahmad. (2016).
Pintar RPUL Global (Cet.4).
Surabaya:
Palito Media.
Gaya Chicago
Purwanto, Ahmad.
Pintar RPUL Global.
Cet.4
Surabaya:
Palito Media,
2016.
Text.
Gaya MLA
Purwanto, Ahmad.
Pintar RPUL Global.
Cet.4
Surabaya:
Palito Media,
2016.
Text.
Gaya Turabian
Purwanto, Ahmad.
Pintar RPUL Global.
Cet.4
Surabaya:
Palito Media,
2016.
Print.