Dawkins Dr.Karen, Doughty Janet, Long Bonita, Madrazo Dr.Gerry, Moody Cherlye, Russ Rachel, & Wallace Dr.Josephine. (1999). North Carolina Case Studies Science Voyages.Grade 7. American: McGraw-Hill.
Παραπομπή Chicago StyleDawkins Dr.Karen, Doughty Janet, Long Bonita, Madrazo Dr.Gerry, Moody Cherlye, Russ Rachel, και Wallace Dr.Josephine. North Carolina Case Studies Science Voyages.Grade 7. American: McGraw-Hill, 1999.
Παραπομπή MLADawkins Dr.Karen, et al. North Carolina Case Studies Science Voyages.Grade 7. American: McGraw-Hill, 1999.
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