Lowell, L. (1997). Sifting through science: Teacher's guide. Lawrence Hall of Science, University of California.
Citazione stile Chigago Style (17a edizione)Lowell, Laura. Sifting Through Science: Teacher's Guide. Berkeley, CA: Lawrence Hall of Science, University of California, 1997.
Citatione MLA (9a ed.)Lowell, Laura. Sifting Through Science: Teacher's Guide. Lawrence Hall of Science, University of California, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.