Craig, G. S. (1940). Science for the elementary school teacher. Boston: Ginn and Company.
Chicago-stil citatCraig, Gerald S. Science for the Elementary School Teacher. Boston: Ginn and Company, 1940.
MLA-referensCraig, Gerald S. Science for the Elementary School Teacher. Boston: Ginn and Company, 1940.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.