Gaya APA
Perelman, Y.
(2004).
Figures For Fun (Asah Otak Ala Rusia)
.
Semarang:
Dahara Prize.
Gaya MLA
Perelman, Yakov.
"Figures For Fun (Asah Otak Ala Rusia)".
Semarang:
Dahara Prize,
2004.
Text.