Spalding, M. W. (1950). A guide for nature teaching in camps, schools and homes. Madison College.
Style de citation Chicago (17e éd.)Spalding, Muad W. A Guide for Nature Teaching in Camps, Schools and Homes. Madison College, 1950.
Style de citation MLA (9e éd.)Spalding, Muad W. A Guide for Nature Teaching in Camps, Schools and Homes. Madison College, 1950.
Attention : ces citations peuvent ne pas être correctes à 100%.