California. State Department of Education. (1987). Science model curriculum guide, kindergarten through grade eight. California State Dept. of Education.
Cytowanie według stylu Chicago (wyd. 17)California. State Department of Education. Science Model Curriculum Guide, Kindergarten Through Grade Eight. Sacramento: California State Dept. of Education, 1987.
Cytowanie według stylu MLA (wyd. 9)California. State Department of Education. Science Model Curriculum Guide, Kindergarten Through Grade Eight. California State Dept. of Education, 1987.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..