Gaya APA
Praptanti, I., Haryanto, .
(2002).
Teknik Reaksi Kimia I
.
Purwokerto:
FT UMP.
Gaya MLA
Praptanti, Isnaeni., Haryanto, .
"Teknik Reaksi Kimia I".
Purwokerto:
FT UMP,
2002.
Text.