Gaya APA
Wiramihardja, Suhardja. (2015).
Tes Observasi Astronomi Persiapan Menghadapi Olimpiade Sains .
Jakarta:
Bikon ES..
Gaya Chicago
Wiramihardja, Suhardja.
Tes Observasi Astronomi Persiapan Menghadapi Olimpiade Sains.
Jakarta:
Bikon ES.,
2015.
Printed Book.
Gaya MLA
Wiramihardja, Suhardja.
Tes Observasi Astronomi Persiapan Menghadapi Olimpiade Sains.
Jakarta:
Bikon ES.,
2015.
Printed Book.
Gaya Turabian
Wiramihardja, Suhardja.
Tes Observasi Astronomi Persiapan Menghadapi Olimpiade Sains.
Jakarta:
Bikon ES.,
2015.
Printed Book.