Gaya APA
Mawarni,Retno. (2012).
Phosphorus (cet.1).
Yogyakarta:
Sabil.
Gaya Chicago
Mawarni,Retno.
Phosphorus.
cet.1
Yogyakarta:
Sabil,
2012.
Text.
Gaya MLA
Mawarni,Retno.
Phosphorus.
cet.1
Yogyakarta:
Sabil,
2012.
Text.
Gaya Turabian
Mawarni,Retno.
Phosphorus.
cet.1
Yogyakarta:
Sabil,
2012.
Print.