APA (7th ed.) Zitazioa
Swango, C. J., & Steward, S. B. (2002). Help! I'm teaching middle school science. NSTApress.
Chicago Style (17th ed.) Zitazioa
Swango, C. Jill, eta Sally Boles Steward. Help! I'm Teaching Middle School Science. Arlington, Va.: NSTApress, 2002.
MLA (9th ed.) Zitazioa
Swango, C. Jill, eta Sally Boles Steward. Help! I'm Teaching Middle School Science. NSTApress, 2002.
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