Gaya APA

Garsten, H, L., I.Jacson, S, B. (1967). Matrhematics for elementary school teachers . London,: London,: The Macmillan Company; 1967.

Gaya MLA

Garsten, Helen, L.., I.Jacson, Stanley, B.. "Matrhematics for elementary school teachers". London,: London,: The Macmillan Company; 1967, 1967. Text.