Παραπομπή APA

Perkins, D. (2015). MIneralogy (3rd ed.). Pearson.

Παραπομπή Chicago Style

Perkins, Dexter. MIneralogy. 3rd ed. Noida: Pearson, 2015.

Παραπομπή MLA

Perkins, Dexter. MIneralogy. 3rd ed. Pearson, 2015.