APA Style
Ping, Peng. (2018).
World internet development report 2017 .
Germany:
Springer Verlag Germany.
Chicago Style
Ping, Peng.
World internet development report 2017.
Germany:
Springer Verlag Germany,
2018.
E-Book Teknik Informatika.
MLA Style
Ping, Peng.
World internet development report 2017.
Germany:
Springer Verlag Germany,
2018.
E-Book Teknik Informatika.
Turabian Style
Ping, Peng.
World internet development report 2017.
Germany:
Springer Verlag Germany,
2018.
E-Book Teknik Informatika.