Galle, J., & Warren, P. (1989). Ecology discovery activities kit: A complete teaching unit for grades 4-8. Center for Applied Research in Education.
Citação do estilo Chicago (17ª ed.)Galle, Janet, e Patricia Warren. Ecology Discovery Activities Kit: A Complete Teaching Unit for Grades 4-8. West Nyack, N.Y: Center for Applied Research in Education, 1989.
Citação MLA (9ª ed.)Galle, Janet, e Patricia Warren. Ecology Discovery Activities Kit: A Complete Teaching Unit for Grades 4-8. Center for Applied Research in Education, 1989.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.