APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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