APA

Hume G., .The art of science-activities and creative ideas for teh teaching of science to children aged five to nine. : Belair Publications Ltd.

Chicago

Hume Galton, .The art of science-activities and creative ideas for teh teaching of science to children aged five to nine. : Belair Publications Ltd.

Harvard

Hume G., .The art of science-activities and creative ideas for teh teaching of science to children aged five to nine. : Belair Publications Ltd.

MLA

Hume Galton, .: Belair Publications Ltd. .