Gaya APA

Saxton, D, F., F., I, W, J. (1970). Programmed instruction in arithmetic, dosages, and solutions . Saint Louis: Saint Louis: The C.V. Mocby; 1970..

Gaya MLA

Saxton, Dolores, F.., F., I., Walter,, John. "Programmed instruction in arithmetic, dosages, and solutions". Saint Louis: Saint Louis: The C.V. Mocby; 1970., 1970. Text.