Gaya APA
Widawati, Zulfa Hamidah. (2010).
Math Workbook .
Surabaya:
Depertemen Pendidikan SDM YLPI Al-Hikmah.
Gaya Chicago
Widawati, Zulfa Hamidah.
Math Workbook.
Surabaya:
Depertemen Pendidikan SDM YLPI Al-Hikmah,
2010.
Text.
Gaya MLA
Widawati, Zulfa Hamidah.
Math Workbook.
Surabaya:
Depertemen Pendidikan SDM YLPI Al-Hikmah,
2010.
Text.
Gaya Turabian
Widawati, Zulfa Hamidah.
Math Workbook.
Surabaya:
Depertemen Pendidikan SDM YLPI Al-Hikmah,
2010.
Print.