Gaya APA
Sukino, . (2011).
Maistro olimpiade matematika SMP seri B ring your strategy to be a successful olympian .
Jakarta:
Erlangga.
Gaya MLA
Sukino, .
"Maistro olimpiade matematika SMP seri B ring your strategy to be a successful olympian".
Jakarta:
Erlangga,
2011.
Text.