Beauchamp, W. L. (1957). Discovering our world, science for the midle grades. Scott, Foresman ang Comp.
Style de citation Chicago (17e éd.)Beauchamp, Wilbur L. Discovering Our World, Science for the Midle Grades. Scott, Foresman ang Comp, 1957.
Style de citation MLA (8e éd.)Beauchamp, Wilbur L. Discovering Our World, Science for the Midle Grades. Scott, Foresman ang Comp, 1957.
Attention : ces citations peuvent ne pas être correctes à 100%.