APA aipamena

Feather, R. M., & Snyder, S. L. Glencoe earth science.

Chicago Style aipamena

Feather, Ralph M., and Susan Leach Snyder. Glencoe Earth Science.

MLA aipamena

Feather, Ralph M., and Susan Leach Snyder. Glencoe Earth Science.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.