Lowell, L. (1997). Sifting through science: Teacher's guide. Lawrence Hall of Science, University of California.
Chicago (17e ed.) BronvermeldingLowell, Laura. Sifting Through Science: Teacher's Guide. Berkeley, CA: Lawrence Hall of Science, University of California, 1997.
MLA (9e ed.) BronvermeldingLowell, Laura. Sifting Through Science: Teacher's Guide. Lawrence Hall of Science, University of California, 1997.
Let op: Deze citaties zijn niet altijd 100% accuraat.