Παραπομπή APA

Barnes, J. W. (1995). Basic geological mapping (3rd ed.). John Wiley.

Παραπομπή Chicago Style

Barnes, John W. Basic Geological Mapping. 3rd ed. New York: John Wiley, 1995.

Παραπομπή MLA

Barnes, John W. Basic Geological Mapping. 3rd ed. John Wiley, 1995.