Cita APA (7th ed.)

Perry, P. J., & Rillero, P. (1999). 365 science projects and activities. Publications Inc.

Cita Chicago (17th ed.)

Perry, Phyllis Jean, i Peter Rillero. 365 Science Projects and Activities. Lincolnwood, IL: Publications Inc, 1999.

Cita MLA (9th ed.)

Perry, Phyllis Jean, i Peter Rillero. 365 Science Projects and Activities. Publications Inc, 1999.