Gaya APA

Freedman, D. et al (1995). Math for the very young : a handbook of activities for parents and teachers / Lydia Polonsky dkk. . New York: John Wiley n Sons.

Gaya MLA

Freedman, Dorothy. et al. "Math for the very young : a handbook of activities for parents and teachers / Lydia Polonsky dkk.". New York: John Wiley n Sons, 1995. Textbook.