Rogers, L. E. (1967). Science teaching in the public junior high school. U.S. Dept. of Health, Education, and Welfare, Office of Education, Bureau of Research.
Chicago (17e ed.) BronvermeldingRogers, Lola Eriksen. Science Teaching in the Public Junior High School. [Washington]: U.S. Dept. of Health, Education, and Welfare, Office of Education, Bureau of Research, 1967.
MLA (8e ed.) BronvermeldingRogers, Lola Eriksen. Science Teaching in the Public Junior High School. U.S. Dept. of Health, Education, and Welfare, Office of Education, Bureau of Research, 1967.
Let op: Deze citaties zijn niet altijd 100% accuraat.