Gaya APA
-, ., Heriyati, . (2015).
Journal Of The Indonesian Mathematical Society Vol. 21 No. 1 April 2015 (-).
Sumedang:
Universitas Padjadjaran.
Gaya MLA
-, ., Heriyati, .
"Journal Of The Indonesian Mathematical Society Vol. 21 No. 1 April 2015".
-
Sumedang:
Universitas Padjadjaran,
2015.
Text.