Gaya APA

Grove, W., HEARD, I, M. (1957). Row-Peterson arithmetic book three.. (2 nd.ed.). [s.l]: Row-Peterson.

Gaya MLA

Grove, WHEAT,Harry., HEARD, Ida, Mae. "Row-Peterson arithmetic book three..". 2 nd.ed. [s.l]: Row-Peterson, 1957. Buku.