APA

Elinor Goldschmied A. M. H., .Heuristic Play with Objects. : National childrens bureau.

Chicago

Elinor Goldschmied Anita M Hughes, .Heuristic Play with Objects. : National childrens bureau.

Harvard

Elinor Goldschmied A. M. H., .Heuristic Play with Objects. : National childrens bureau.

MLA

Elinor Goldschmied Anita M Hughes, .: National childrens bureau. .