Gaya APA

Swanson, C, P., Kiyosi, I, I. (NULL). Encyclopedic dictionary of mathematics volume III O-Z . Singapore:: Singapore: Toppan Company; 1993.

Gaya MLA

Swanson, Carl, P.., Kiyosi, I., Ito,. "Encyclopedic dictionary of mathematics volume III O-Z". Singapore:: Singapore: Toppan Company; 1993, NULL. Text.