Παραπομπή σε μορφή APA (7η εκδ.)

(1985). Earthquakes: A teacher's package for K-6. National Science Teachers Association, Federal Emergency Managemant Agency.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Earthquakes: A Teacher's Package for K-6. Washington: National Science Teachers Association, Federal Emergency Managemant Agency, 1985.

Παραπομπή σε μορφή MLA (9th εκδ.)

Earthquakes: A Teacher's Package for K-6. National Science Teachers Association, Federal Emergency Managemant Agency, 1985.