Gaya APA

Dudeney, H, E., Matindas, V. (2009). Rekreasi Matematika [4] (Ed. 1.--). Jakarta: Indonesia Publishing House.

Gaya MLA

Dudeney, Hendry, Ernest., Matindas, Victor. "Rekreasi Matematika [4]". Ed. 1.-- Jakarta: Indonesia Publishing House, 2009. Text.