Gaya APA

Swanson, C, P., William, R. (1984). Basic mathematics arithmetic and algebra . Illinois: Illinois: Scot, Foretman and Company; 1984.

Gaya MLA

Swanson, Carl, P.., William, Richard. "Basic mathematics arithmetic and algebra". Illinois: Illinois: Scot, Foretman and Company; 1984, 1984. Text.