APA (7e ed.) Bronvermelding

Feather, R. M., & Snyder, S. L. (1999). Glencoe earth science. Glencoe/McGraw Hill.

Chicago (17e ed.) Bronvermelding

Feather, Ralph M., en Susan Leach Snyder. Glencoe Earth Science. New york: Glencoe/McGraw Hill, 1999.

MLA (9e ed.) Bronvermelding

Feather, Ralph M., en Susan Leach Snyder. Glencoe Earth Science. Glencoe/McGraw Hill, 1999.