Gaya APA

Semper, R, J. (2009). The Exploratorium Science Snackbook: Cook up over 100 hands- on scienca exhibits from everday materials (Ed. Revised). California: Jossey-Bass.

Gaya MLA

Semper, Robert, J. "The Exploratorium Science Snackbook: Cook up over 100 hands- on scienca exhibits from everday materials". Ed. Revised California: Jossey-Bass, 2009. Text.