Gaya APA

Shuard, E, W, &, H. (1970). Elementary Mathematics Today : a resource for teachers grade 1-8 (--). London: Addison-Wesley Publishing Campany, INc..

Gaya MLA

Shuard, Elizabeth, Williams, &, Hillary. "Elementary Mathematics Today : a resource for teachers grade 1-8". -- London: Addison-Wesley Publishing Campany, INc., 1970. Text.